201321910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{9721}}^1$

素因数の和:9856

約数の個数: 32

約数和(自身を含む): 384991200

約数和(自身を除く): 183669290

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 4142, 9721, 10355, 19442, 20710, 48605, 97210, 184699, 369398, 923495, 1059589, 1846990, 2119178, 5297945, 10595890, 20132191, 40264382, 100660955, 201321910]

約数ペア:

[(1, 201321910), (2, 100660955), (5, 40264382), (10, 20132191), (19, 10595890), (38, 5297945), (95, 2119178), (109, 1846990), (190, 1059589), (218, 923495), (545, 369398), (1090, 184699), (2071, 97210), (4142, 48605), (9721, 20710), (10355, 19442)]