18716940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1$

素因数の和:189

約数の個数: 192

約数和(自身を含む): 66769920

約数和(自身を除く): 48052980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 23, 27, 30, 33, 36, 44, 45, 46, 54, 55, 60, 66, 69, 90, 92, 99, 108, 110, 115, 132, 135, 137, 138, 165, 180, 198, 207, 220, 230, 253, 270, 274, 276, 297, 330, 345, 396, 411, 414, 460, 495, 506, 540, 548, 594, 621, 660, 685, 690, 759, 822, 828, 990, 1012, 1035, 1188, 1233, 1242, 1265, 1370, 1380, 1485, 1507, 1518, 1644, 1980, 2055, 2070, 2277, 2466, 2484, 2530, 2740, 2970, 3014, 3036, 3105, 3151, 3699, 3795, 4110, 4140, 4521, 4554, 4932, 5060, 5940, 6028, 6165, 6210, 6302, 6831, 7398, 7535, 7590, 8220, 9042, 9108, 9453, 11385, 12330, 12420, 12604, 13563, 13662, 14796, 15070, 15180, 15755, 18084, 18495, 18906, 22605, 22770, 24660, 27126, 27324, 28359, 30140, 31510, 34155, 34661, 36990, 37812, 40689, 45210, 45540, 47265, 54252, 56718, 63020, 67815, 68310, 69322, 73980, 81378, 85077, 90420, 94530, 103983, 113436, 135630, 136620, 138644, 141795, 162756, 170154, 173305, 189060, 203445, 207966, 271260, 283590, 311949, 340308, 346610, 406890, 415932, 425385, 519915, 567180, 623898, 693220, 813780, 850770, 935847, 1039830, 1247796, 1559745, 1701540, 1871694, 2079660, 3119490, 3743388, 4679235, 6238980, 9358470, 18716940]

約数ペア:

[(1, 18716940), (2, 9358470), (3, 6238980), (4, 4679235), (5, 3743388), (6, 3119490), (9, 2079660), (10, 1871694), (11, 1701540), (12, 1559745), (15, 1247796), (18, 1039830), (20, 935847), (22, 850770), (23, 813780), (27, 693220), (30, 623898), (33, 567180), (36, 519915), (44, 425385), (45, 415932), (46, 406890), (54, 346610), (55, 340308), (60, 311949), (66, 283590), (69, 271260), (90, 207966), (92, 203445), (99, 189060), (108, 173305), (110, 170154), (115, 162756), (132, 141795), (135, 138644), (137, 136620), (138, 135630), (165, 113436), (180, 103983), (198, 94530), (207, 90420), (220, 85077), (230, 81378), (253, 73980), (270, 69322), (274, 68310), (276, 67815), (297, 63020), (330, 56718), (345, 54252), (396, 47265), (411, 45540), (414, 45210), (460, 40689), (495, 37812), (506, 36990), (540, 34661), (548, 34155), (594, 31510), (621, 30140), (660, 28359), (685, 27324), (690, 27126), (759, 24660), (822, 22770), (828, 22605), (990, 18906), (1012, 18495), (1035, 18084), (1188, 15755), (1233, 15180), (1242, 15070), (1265, 14796), (1370, 13662), (1380, 13563), (1485, 12604), (1507, 12420), (1518, 12330), (1644, 11385), (1980, 9453), (2055, 9108), (2070, 9042), (2277, 8220), (2466, 7590), (2484, 7535), (2530, 7398), (2740, 6831), (2970, 6302), (3014, 6210), (3036, 6165), (3105, 6028), (3151, 5940), (3699, 5060), (3795, 4932), (4110, 4554), (4140, 4521)]