19775312

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11551}}^1$

素因数の和:11666

約数の個数: 20

約数和(自身を含む): 38676096

約数和(自身を除く): 18900784

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11551, 23102, 46204, 92408, 184816, 1235957, 2471914, 4943828, 9887656, 19775312]

約数ペア:

[(1, 19775312), (2, 9887656), (4, 4943828), (8, 2471914), (16, 1235957), (107, 184816), (214, 92408), (428, 46204), (856, 23102), (1712, 11551)]