19919482

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{2389}}^1$

素因数の和:2781

約数の個数: 16

約数和(自身を含む): 32695200

約数和(自身を除く): 12775718

約数列:

[1, 2, 11, 22, 379, 758, 2389, 4169, 4778, 8338, 26279, 52558, 905431, 1810862, 9959741, 19919482]

約数ペア:

[(1, 19919482), (2, 9959741), (11, 1810862), (22, 905431), (379, 52558), (758, 26279), (2389, 8338), (4169, 4778)]