19997289660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10751231}}^1$

素因数の和:10751274

約数の個数: 48

約数和(自身を含む): 57798623232

約数和(自身を除く): 37801333572

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 10751231, 21502462, 32253693, 43004924, 53756155, 64507386, 107512310, 129014772, 161268465, 215024620, 322536930, 333288161, 645073860, 666576322, 999864483, 1333152644, 1666440805, 1999728966, 3332881610, 3999457932, 4999322415, 6665763220, 9998644830, 19997289660]

約数ペア:

[(1, 19997289660), (2, 9998644830), (3, 6665763220), (4, 4999322415), (5, 3999457932), (6, 3332881610), (10, 1999728966), (12, 1666440805), (15, 1333152644), (20, 999864483), (30, 666576322), (31, 645073860), (60, 333288161), (62, 322536930), (93, 215024620), (124, 161268465), (155, 129014772), (186, 107512310), (310, 64507386), (372, 53756155), (465, 43004924), (620, 32253693), (930, 21502462), (1860, 10751231)]