19500070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:600

約数の個数: 32

約数和(自身を含む): 36352800

約数和(自身を除く): 16852730

約数列:

[1, 2, 5, 10, 43, 86, 101, 202, 215, 430, 449, 505, 898, 1010, 2245, 4343, 4490, 8686, 19307, 21715, 38614, 43430, 45349, 90698, 96535, 193070, 226745, 453490, 1950007, 3900014, 9750035, 19500070]

約数ペア:

[(1, 19500070), (2, 9750035), (5, 3900014), (10, 1950007), (43, 453490), (86, 226745), (101, 193070), (202, 96535), (215, 90698), (430, 45349), (449, 43430), (505, 38614), (898, 21715), (1010, 19307), (2245, 8686), (4343, 4490)]