19971692

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{433}}^1\times {\mathrm{887}}^1$

素因数の和:1337

約数の個数: 24

約数和(自身を含む): 37768416

約数和(自身を除く): 17796724

約数列:

[1, 2, 4, 13, 26, 52, 433, 866, 887, 1732, 1774, 3548, 5629, 11258, 11531, 22516, 23062, 46124, 384071, 768142, 1536284, 4992923, 9985846, 19971692]

約数ペア:

[(1, 19971692), (2, 9985846), (4, 4992923), (13, 1536284), (26, 768142), (52, 384071), (433, 46124), (866, 23062), (887, 22516), (1732, 11531), (1774, 11258), (3548, 5629)]