19261299455

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{89}}^1\times {\mathrm{149771}}^1$

素因数の和:149899

約数の個数: 24

約数和(自身を含む): 24829202160

約数和(自身を除く): 5567902705

約数列:

[1, 5, 17, 85, 89, 289, 445, 1445, 1513, 7565, 25721, 128605, 149771, 748855, 2546107, 12730535, 13329619, 43283819, 66648095, 216419095, 226603523, 1133017615, 3852259891, 19261299455]

約数ペア:

[(1, 19261299455), (5, 3852259891), (17, 1133017615), (85, 226603523), (89, 216419095), (289, 66648095), (445, 43283819), (1445, 13329619), (1513, 12730535), (7565, 2546107), (25721, 748855), (128605, 149771)]