18298980

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:175

約数の個数: 192

約数和(自身を含む): 67092480

約数和(自身を除く): 48793500

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 47, 54, 60, 63, 70, 84, 90, 94, 103, 105, 108, 126, 135, 140, 141, 180, 188, 189, 206, 210, 235, 252, 270, 282, 309, 315, 329, 378, 412, 420, 423, 470, 515, 540, 564, 618, 630, 658, 705, 721, 756, 846, 927, 940, 945, 987, 1030, 1236, 1260, 1269, 1316, 1410, 1442, 1545, 1645, 1692, 1854, 1890, 1974, 2060, 2115, 2163, 2538, 2781, 2820, 2884, 2961, 3090, 3290, 3605, 3708, 3780, 3948, 4230, 4326, 4635, 4841, 4935, 5076, 5562, 5922, 6180, 6345, 6489, 6580, 7210, 8460, 8652, 8883, 9270, 9682, 9870, 10815, 11124, 11844, 12690, 12978, 13905, 14420, 14523, 14805, 17766, 18540, 19364, 19467, 19740, 21630, 24205, 25380, 25956, 27810, 29046, 29610, 32445, 33887, 35532, 38934, 43260, 43569, 44415, 48410, 55620, 58092, 59220, 64890, 67774, 72615, 77868, 87138, 88830, 96820, 97335, 101661, 129780, 130707, 135548, 145230, 169435, 174276, 177660, 194670, 203322, 217845, 261414, 290460, 304983, 338870, 389340, 406644, 435690, 508305, 522828, 609966, 653535, 677740, 871380, 914949, 1016610, 1219932, 1307070, 1524915, 1829898, 2033220, 2614140, 3049830, 3659796, 4574745, 6099660, 9149490, 18298980]

約数ペア:

[(1, 18298980), (2, 9149490), (3, 6099660), (4, 4574745), (5, 3659796), (6, 3049830), (7, 2614140), (9, 2033220), (10, 1829898), (12, 1524915), (14, 1307070), (15, 1219932), (18, 1016610), (20, 914949), (21, 871380), (27, 677740), (28, 653535), (30, 609966), (35, 522828), (36, 508305), (42, 435690), (45, 406644), (47, 389340), (54, 338870), (60, 304983), (63, 290460), (70, 261414), (84, 217845), (90, 203322), (94, 194670), (103, 177660), (105, 174276), (108, 169435), (126, 145230), (135, 135548), (140, 130707), (141, 129780), (180, 101661), (188, 97335), (189, 96820), (206, 88830), (210, 87138), (235, 77868), (252, 72615), (270, 67774), (282, 64890), (309, 59220), (315, 58092), (329, 55620), (378, 48410), (412, 44415), (420, 43569), (423, 43260), (470, 38934), (515, 35532), (540, 33887), (564, 32445), (618, 29610), (630, 29046), (658, 27810), (705, 25956), (721, 25380), (756, 24205), (846, 21630), (927, 19740), (940, 19467), (945, 19364), (987, 18540), (1030, 17766), (1236, 14805), (1260, 14523), (1269, 14420), (1316, 13905), (1410, 12978), (1442, 12690), (1545, 11844), (1645, 11124), (1692, 10815), (1854, 9870), (1890, 9682), (1974, 9270), (2060, 8883), (2115, 8652), (2163, 8460), (2538, 7210), (2781, 6580), (2820, 6489), (2884, 6345), (2961, 6180), (3090, 5922), (3290, 5562), (3605, 5076), (3708, 4935), (3780, 4841), (3948, 4635), (4230, 4326)]