18804730

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{38377}}^1$

素因数の和:38398

約数の個数: 24

約数和(自身を含む): 39375828

約数和(自身を除く): 20571098

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 38377, 76754, 191885, 268639, 383770, 537278, 1343195, 1880473, 2686390, 3760946, 9402365, 18804730]

約数ペア:

[(1, 18804730), (2, 9402365), (5, 3760946), (7, 2686390), (10, 1880473), (14, 1343195), (35, 537278), (49, 383770), (70, 268639), (98, 191885), (245, 76754), (490, 38377)]