19664104

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{144589}}^1$

素因数の和:144612

約数の個数: 16

約数和(自身を含む): 39039300

約数和(自身を除く): 19375196

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 144589, 289178, 578356, 1156712, 2458013, 4916026, 9832052, 19664104]

約数ペア:

[(1, 19664104), (2, 9832052), (4, 4916026), (8, 2458013), (17, 1156712), (34, 578356), (68, 289178), (136, 144589)]