19626290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47869}}^1$

素因数の和:47917

約数の個数: 16

約数和(自身を含む): 36189720

約数和(自身を除く): 16563430

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 47869, 95738, 239345, 478690, 1962629, 3925258, 9813145, 19626290]

約数ペア:

[(1, 19626290), (2, 9813145), (5, 3925258), (10, 1962629), (41, 478690), (82, 239345), (205, 95738), (410, 47869)]