2110778890

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19188899}}^1$

素因数の和:19188917

約数の個数: 16

約数和(自身を含む): 4144802400

約数和(自身を除く): 2034023510

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19188899, 38377798, 95944495, 191888990, 211077889, 422155778, 1055389445, 2110778890]

約数ペア:

[(1, 2110778890), (2, 1055389445), (5, 422155778), (10, 211077889), (11, 191888990), (22, 95944495), (55, 38377798), (110, 19188899)]