18642840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:812

約数の個数: 64

約数和(自身を含む): 56216160

約数和(自身を除く): 37573320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 337, 461, 674, 922, 1011, 1348, 1383, 1685, 1844, 2022, 2305, 2696, 2766, 3370, 3688, 4044, 4610, 5055, 5532, 6740, 6915, 8088, 9220, 10110, 11064, 13480, 13830, 18440, 20220, 27660, 40440, 55320, 155357, 310714, 466071, 621428, 776785, 932142, 1242856, 1553570, 1864284, 2330355, 3107140, 3728568, 4660710, 6214280, 9321420, 18642840]

約数ペア:

[(1, 18642840), (2, 9321420), (3, 6214280), (4, 4660710), (5, 3728568), (6, 3107140), (8, 2330355), (10, 1864284), (12, 1553570), (15, 1242856), (20, 932142), (24, 776785), (30, 621428), (40, 466071), (60, 310714), (120, 155357), (337, 55320), (461, 40440), (674, 27660), (922, 20220), (1011, 18440), (1348, 13830), (1383, 13480), (1685, 11064), (1844, 10110), (2022, 9220), (2305, 8088), (2696, 6915), (2766, 6740), (3370, 5532), (3688, 5055), (4044, 4610)]