18831960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 256

約数和(自身を含む): 74649600

約数和(自身を除く): 55817640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 47, 53, 54, 56, 60, 63, 70, 72, 84, 90, 94, 105, 106, 108, 120, 126, 135, 140, 141, 159, 168, 180, 188, 189, 210, 212, 216, 235, 252, 265, 270, 280, 282, 315, 318, 329, 360, 371, 376, 378, 420, 423, 424, 470, 477, 504, 530, 540, 564, 630, 636, 658, 705, 742, 756, 795, 840, 846, 940, 945, 954, 987, 1060, 1080, 1113, 1128, 1260, 1269, 1272, 1316, 1410, 1431, 1484, 1512, 1590, 1645, 1692, 1855, 1880, 1890, 1908, 1974, 2115, 2120, 2226, 2385, 2491, 2520, 2538, 2632, 2820, 2862, 2961, 2968, 3180, 3290, 3339, 3384, 3710, 3780, 3816, 3948, 4230, 4452, 4770, 4935, 4982, 5076, 5565, 5640, 5724, 5922, 6345, 6360, 6580, 6678, 7155, 7420, 7473, 7560, 7896, 8460, 8883, 8904, 9540, 9870, 9964, 10017, 10152, 11130, 11448, 11844, 12455, 12690, 13160, 13356, 14310, 14805, 14840, 14946, 16695, 16920, 17437, 17766, 19080, 19740, 19928, 20034, 22260, 22419, 23688, 24910, 25380, 26712, 28620, 29610, 29892, 33390, 34874, 35532, 37365, 39480, 40068, 44415, 44520, 44838, 49820, 50085, 50760, 52311, 57240, 59220, 59784, 66780, 67257, 69748, 71064, 74730, 80136, 87185, 88830, 89676, 99640, 100170, 104622, 112095, 118440, 133560, 134514, 139496, 149460, 156933, 174370, 177660, 179352, 200340, 209244, 224190, 261555, 269028, 298920, 313866, 336285, 348740, 355320, 400680, 418488, 448380, 470799, 523110, 538056, 627732, 672570, 697480, 784665, 896760, 941598, 1046220, 1255464, 1345140, 1569330, 1883196, 2092440, 2353995, 2690280, 3138660, 3766392, 4707990, 6277320, 9415980, 18831960]

約数ペア:

[(1, 18831960), (2, 9415980), (3, 6277320), (4, 4707990), (5, 3766392), (6, 3138660), (7, 2690280), (8, 2353995), (9, 2092440), (10, 1883196), (12, 1569330), (14, 1345140), (15, 1255464), (18, 1046220), (20, 941598), (21, 896760), (24, 784665), (27, 697480), (28, 672570), (30, 627732), (35, 538056), (36, 523110), (40, 470799), (42, 448380), (45, 418488), (47, 400680), (53, 355320), (54, 348740), (56, 336285), (60, 313866), (63, 298920), (70, 269028), (72, 261555), (84, 224190), (90, 209244), (94, 200340), (105, 179352), (106, 177660), (108, 174370), (120, 156933), (126, 149460), (135, 139496), (140, 134514), (141, 133560), (159, 118440), (168, 112095), (180, 104622), (188, 100170), (189, 99640), (210, 89676), (212, 88830), (216, 87185), (235, 80136), (252, 74730), (265, 71064), (270, 69748), (280, 67257), (282, 66780), (315, 59784), (318, 59220), (329, 57240), (360, 52311), (371, 50760), (376, 50085), (378, 49820), (420, 44838), (423, 44520), (424, 44415), (470, 40068), (477, 39480), (504, 37365), (530, 35532), (540, 34874), (564, 33390), (630, 29892), (636, 29610), (658, 28620), (705, 26712), (742, 25380), (756, 24910), (795, 23688), (840, 22419), (846, 22260), (940, 20034), (945, 19928), (954, 19740), (987, 19080), (1060, 17766), (1080, 17437), (1113, 16920), (1128, 16695), (1260, 14946), (1269, 14840), (1272, 14805), (1316, 14310), (1410, 13356), (1431, 13160), (1484, 12690), (1512, 12455), (1590, 11844), (1645, 11448), (1692, 11130), (1855, 10152), (1880, 10017), (1890, 9964), (1908, 9870), (1974, 9540), (2115, 8904), (2120, 8883), (2226, 8460), (2385, 7896), (2491, 7560), (2520, 7473), (2538, 7420), (2632, 7155), (2820, 6678), (2862, 6580), (2961, 6360), (2968, 6345), (3180, 5922), (3290, 5724), (3339, 5640), (3384, 5565), (3710, 5076), (3780, 4982), (3816, 4935), (3948, 4770), (4230, 4452)]