20188955198

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{1688887}}^1$

素因数の和:1689071

約数の個数: 16

約数和(自身を含む): 31210650240

約数和(自身を除く): 11021695042

約数列:

[1, 2, 43, 86, 139, 278, 5977, 11954, 1688887, 3377774, 72622141, 145244282, 234755293, 469510586, 10094477599, 20188955198]

約数ペア:

[(1, 20188955198), (2, 10094477599), (43, 469510586), (86, 234755293), (139, 145244282), (278, 72622141), (5977, 3377774), (11954, 1688887)]