19431676

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1049}}^1$

素因数の和:1485

約数の個数: 24

約数和(自身を含む): 37220400

約数和(自身を除く): 17788724

約数列:

[1, 2, 4, 11, 22, 44, 421, 842, 1049, 1684, 2098, 4196, 4631, 9262, 11539, 18524, 23078, 46156, 441629, 883258, 1766516, 4857919, 9715838, 19431676]

約数ペア:

[(1, 19431676), (2, 9715838), (4, 4857919), (11, 1766516), (22, 883258), (44, 441629), (421, 46156), (842, 23078), (1049, 18524), (1684, 11539), (2098, 9262), (4196, 4631)]