18880860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10151}}^1$

素因数の和:10194

約数の個数: 48

約数和(自身を含む): 54577152

約数和(自身を除く): 35696292

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, 10151, 20302, 30453, 40604, 50755, 60906, 101510, 121812, 152265, 203020, 304530, 314681, 609060, 629362, 944043, 1258724, 1573405, 1888086, 3146810, 3776172, 4720215, 6293620, 9440430, 18880860]

約数ペア:

[(1, 18880860), (2, 9440430), (3, 6293620), (4, 4720215), (5, 3776172), (6, 3146810), (10, 1888086), (12, 1573405), (15, 1258724), (20, 944043), (30, 629362), (31, 609060), (60, 314681), (62, 304530), (93, 203020), (124, 152265), (155, 121812), (186, 101510), (310, 60906), (372, 50755), (465, 40604), (620, 30453), (930, 20302), (1860, 10151)]