18694920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1877}}^1$

素因数の和:1974

約数の個数: 64

約数和(自身を含む): 56790720

約数和(自身を除く): 38095800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 83, 120, 166, 249, 332, 415, 498, 664, 830, 996, 1245, 1660, 1877, 1992, 2490, 3320, 3754, 4980, 5631, 7508, 9385, 9960, 11262, 15016, 18770, 22524, 28155, 37540, 45048, 56310, 75080, 112620, 155791, 225240, 311582, 467373, 623164, 778955, 934746, 1246328, 1557910, 1869492, 2336865, 3115820, 3738984, 4673730, 6231640, 9347460, 18694920]

約数ペア:

[(1, 18694920), (2, 9347460), (3, 6231640), (4, 4673730), (5, 3738984), (6, 3115820), (8, 2336865), (10, 1869492), (12, 1557910), (15, 1246328), (20, 934746), (24, 778955), (30, 623164), (40, 467373), (60, 311582), (83, 225240), (120, 155791), (166, 112620), (249, 75080), (332, 56310), (415, 45048), (498, 37540), (664, 28155), (830, 22524), (996, 18770), (1245, 15016), (1660, 11262), (1877, 9960), (1992, 9385), (2490, 7508), (3320, 5631), (3754, 4980)]