18784490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{2351}}^1$

素因数の和:2422

約数の個数: 32

約数和(自身を含む): 36578304

約数和(自身を除く): 17793814

約数列:

[1, 2, 5, 10, 17, 34, 47, 85, 94, 170, 235, 470, 799, 1598, 2351, 3995, 4702, 7990, 11755, 23510, 39967, 79934, 110497, 199835, 220994, 399670, 552485, 1104970, 1878449, 3756898, 9392245, 18784490]

約数ペア:

[(1, 18784490), (2, 9392245), (5, 3756898), (10, 1878449), (17, 1104970), (34, 552485), (47, 399670), (85, 220994), (94, 199835), (170, 110497), (235, 79934), (470, 39967), (799, 23510), (1598, 11755), (2351, 7990), (3995, 4702)]