18181576

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2179}}^1$

素因数の和:2341

約数の個数: 32

約数和(自身を含む): 39240000

約数和(自身を除く): 21058424

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 298, 596, 1043, 1192, 2086, 2179, 4172, 4358, 8344, 8716, 15253, 17432, 30506, 61012, 122024, 324671, 649342, 1298684, 2272697, 2597368, 4545394, 9090788, 18181576]

約数ペア:

[(1, 18181576), (2, 9090788), (4, 4545394), (7, 2597368), (8, 2272697), (14, 1298684), (28, 649342), (56, 324671), (149, 122024), (298, 61012), (596, 30506), (1043, 17432), (1192, 15253), (2086, 8716), (2179, 8344), (4172, 4358)]