20189758618

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1\times {\mathrm{311}}^1\times {\mathrm{797}}^1$

素因数の和:1542

約数の個数: 32

約数和(自身を含む): 30743556480

約数和(自身を除く): 10553797862

約数列:

[1, 2, 139, 278, 293, 311, 586, 622, 797, 1594, 40727, 43229, 81454, 86458, 91123, 110783, 182246, 221566, 233521, 247867, 467042, 495734, 12666097, 25332194, 32459419, 34453513, 64918838, 68907026, 72625031, 145250062, 10094879309, 20189758618]

約数ペア:

[(1, 20189758618), (2, 10094879309), (139, 145250062), (278, 72625031), (293, 68907026), (311, 64918838), (586, 34453513), (622, 32459419), (797, 25332194), (1594, 12666097), (40727, 495734), (43229, 467042), (81454, 247867), (86458, 233521), (91123, 221566), (110783, 182246)]