19890832

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95629}}^1$

素因数の和:95650

約数の個数: 20

約数和(自身を含む): 41503420

約数和(自身を除く): 21612588

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95629, 191258, 382516, 765032, 1243177, 1530064, 2486354, 4972708, 9945416, 19890832]

約数ペア:

[(1, 19890832), (2, 9945416), (4, 4972708), (8, 2486354), (13, 1530064), (16, 1243177), (26, 765032), (52, 382516), (104, 191258), (208, 95629)]