19090390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173549}}^1$

素因数の和:173567

約数の個数: 16

約数和(自身を含む): 37486800

約数和(自身を除く): 18396410

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 173549, 347098, 867745, 1735490, 1909039, 3818078, 9545195, 19090390]

約数ペア:

[(1, 19090390), (2, 9545195), (5, 3818078), (10, 1909039), (11, 1735490), (22, 867745), (55, 347098), (110, 173549)]