28095908

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19457}}^1$

素因数の和:19499

約数の個数: 18

約数和(自身を含む): 51894486

約数和(自身を除く): 23798578

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19457, 38914, 77828, 369683, 739366, 1478732, 7023977, 14047954, 28095908]

約数ペア:

[(1, 28095908), (2, 14047954), (4, 7023977), (19, 1478732), (38, 739366), (76, 369683), (361, 77828), (722, 38914), (1444, 19457)]