19648885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1163}}^1$

素因数の和:1308

約数の個数: 16

約数和(自身を含む): 24583680

約数和(自身を除く): 4934795

約数列:

[1, 5, 31, 109, 155, 545, 1163, 3379, 5815, 16895, 36053, 126767, 180265, 633835, 3929777, 19648885]

約数ペア:

[(1, 19648885), (5, 3929777), (31, 633835), (109, 180265), (155, 126767), (545, 36053), (1163, 16895), (3379, 5815)]