18520904017

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{434957}}^1$

素因数の和:435061

約数の個数: 24

約数和(自身を含む): 23800901760

約数和(自身を除く): 5279997743

約数列:

[1, 7, 11, 49, 77, 79, 539, 553, 869, 3871, 6083, 42581, 434957, 3044699, 4784527, 21312893, 33491689, 34361603, 234441823, 240531221, 377977633, 1683718547, 2645843431, 18520904017]

約数ペア:

[(1, 18520904017), (7, 2645843431), (11, 1683718547), (49, 377977633), (77, 240531221), (79, 234441823), (539, 34361603), (553, 33491689), (869, 21312893), (3871, 4784527), (6083, 3044699), (42581, 434957)]