18840870

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2251}}^1$

素因数の和:2298

約数の個数: 64

約数和(自身を含む): 51886080

約数和(自身を除く): 33045210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2251, 2790, 4185, 4502, 6753, 8370, 11255, 13506, 20259, 22510, 33765, 40518, 60777, 67530, 69781, 101295, 121554, 139562, 202590, 209343, 303885, 348905, 418686, 607770, 628029, 697810, 1046715, 1256058, 1884087, 2093430, 3140145, 3768174, 6280290, 9420435, 18840870]

約数ペア:

[(1, 18840870), (2, 9420435), (3, 6280290), (5, 3768174), (6, 3140145), (9, 2093430), (10, 1884087), (15, 1256058), (18, 1046715), (27, 697810), (30, 628029), (31, 607770), (45, 418686), (54, 348905), (62, 303885), (90, 209343), (93, 202590), (135, 139562), (155, 121554), (186, 101295), (270, 69781), (279, 67530), (310, 60777), (465, 40518), (558, 33765), (837, 22510), (930, 20259), (1395, 13506), (1674, 11255), (2251, 8370), (2790, 6753), (4185, 4502)]