19916476

素因数分解:

$2^2\times {\mathrm{113}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:573

約数の個数: 24

約数和(自身を含む): 35526960

約数和(自身を除く): 15610484

約数列:

[1, 2, 4, 113, 139, 226, 278, 317, 452, 556, 634, 1268, 15707, 31414, 35821, 44063, 62828, 71642, 88126, 143284, 176252, 4979119, 9958238, 19916476]

約数ペア:

[(1, 19916476), (2, 9958238), (4, 4979119), (113, 176252), (139, 143284), (226, 88126), (278, 71642), (317, 62828), (452, 44063), (556, 35821), (634, 31414), (1268, 15707)]