19404550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{35281}}^1$

素因数の和:35304

約数の個数: 24

約数和(自身を含む): 39374712

約数和(自身を除く): 19970162

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 275, 550, 35281, 70562, 176405, 352810, 388091, 776182, 882025, 1764050, 1940455, 3880910, 9702275, 19404550]

約数ペア:

[(1, 19404550), (2, 9702275), (5, 3880910), (10, 1940455), (11, 1764050), (22, 882025), (25, 776182), (50, 388091), (55, 352810), (110, 176405), (275, 70562), (550, 35281)]