20185790

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{811}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 38586240

約数和(自身を除く): 18400450

約数列:

[1, 2, 5, 10, 19, 38, 95, 131, 190, 262, 655, 811, 1310, 1622, 2489, 4055, 4978, 8110, 12445, 15409, 24890, 30818, 77045, 106241, 154090, 212482, 531205, 1062410, 2018579, 4037158, 10092895, 20185790]

約数ペア:

[(1, 20185790), (2, 10092895), (5, 4037158), (10, 2018579), (19, 1062410), (38, 531205), (95, 212482), (131, 154090), (190, 106241), (262, 77045), (655, 30818), (811, 24890), (1310, 15409), (1622, 12445), (2489, 8110), (4055, 4978)]