19285904

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{109579}}^1$

素因数の和:109598

約数の個数: 20

約数和(自身を含む): 40763760

約数和(自身を除く): 21477856

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 109579, 219158, 438316, 876632, 1205369, 1753264, 2410738, 4821476, 9642952, 19285904]

約数ペア:

[(1, 19285904), (2, 9642952), (4, 4821476), (8, 2410738), (11, 1753264), (16, 1205369), (22, 876632), (44, 438316), (88, 219158), (176, 109579)]