19139240

素因数分解:

$2^3\times 5^1\times {\mathrm{478481}}^1$

素因数の和:478492

約数の個数: 16

約数和(自身を含む): 43063380

約数和(自身を除く): 23924140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 478481, 956962, 1913924, 2392405, 3827848, 4784810, 9569620, 19139240]

約数ペア:

[(1, 19139240), (2, 9569620), (4, 4784810), (5, 3827848), (8, 2392405), (10, 1913924), (20, 956962), (40, 478481)]