18312059240

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{78809}}^1$

素因数の和:79014

約数の個数: 64

約数和(自身を含む): 42585771600

約数和(自身を除く): 24273712360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 157, 185, 296, 314, 370, 628, 740, 785, 1256, 1480, 1570, 3140, 5809, 6280, 11618, 23236, 29045, 46472, 58090, 78809, 116180, 157618, 232360, 315236, 394045, 630472, 788090, 1576180, 2915933, 3152360, 5831866, 11663732, 12373013, 14579665, 23327464, 24746026, 29159330, 49492052, 58318660, 61865065, 98984104, 116637320, 123730130, 247460260, 457801481, 494920520, 915602962, 1831205924, 2289007405, 3662411848, 4578014810, 9156029620, 18312059240]

約数ペア:

[(1, 18312059240), (2, 9156029620), (4, 4578014810), (5, 3662411848), (8, 2289007405), (10, 1831205924), (20, 915602962), (37, 494920520), (40, 457801481), (74, 247460260), (148, 123730130), (157, 116637320), (185, 98984104), (296, 61865065), (314, 58318660), (370, 49492052), (628, 29159330), (740, 24746026), (785, 23327464), (1256, 14579665), (1480, 12373013), (1570, 11663732), (3140, 5831866), (5809, 3152360), (6280, 2915933), (11618, 1576180), (23236, 788090), (29045, 630472), (46472, 394045), (58090, 315236), (78809, 232360), (116180, 157618)]