1886225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^3$

素因数の和:78

約数の個数: 24

約数和(自身を含む): 2693280

約数和(自身を除く): 807055

約数列:

[1, 5, 11, 19, 25, 55, 95, 209, 275, 361, 475, 1045, 1805, 3971, 5225, 6859, 9025, 19855, 34295, 75449, 99275, 171475, 377245, 1886225]

約数ペア:

[(1, 1886225), (5, 377245), (11, 171475), (19, 99275), (25, 75449), (55, 34295), (95, 19855), (209, 9025), (275, 6859), (361, 5225), (475, 3971), (1045, 1805)]