19140725

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{1553}}^1$

素因数の和:1609

約数の個数: 24

約数和(自身を含む): 26013960

約数和(自身を除く): 6873235

約数列:

[1, 5, 17, 25, 29, 85, 145, 425, 493, 725, 1553, 2465, 7765, 12325, 26401, 38825, 45037, 132005, 225185, 660025, 765629, 1125925, 3828145, 19140725]

約数ペア:

[(1, 19140725), (5, 3828145), (17, 1125925), (25, 765629), (29, 660025), (85, 225185), (145, 132005), (425, 45037), (493, 38825), (725, 26401), (1553, 12325), (2465, 7765)]