2021686868

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{139273}}^1$

素因数の和:139487

約数の個数: 24

約数和(自身を含む): 3743685120

約数和(自身を除く): 1721998252

約数列:

[1, 2, 4, 19, 38, 76, 191, 382, 764, 3629, 7258, 14516, 139273, 278546, 557092, 2646187, 5292374, 10584748, 26601143, 53202286, 106404572, 505421717, 1010843434, 2021686868]

約数ペア:

[(1, 2021686868), (2, 1010843434), (4, 505421717), (19, 106404572), (38, 53202286), (76, 26601143), (191, 10584748), (382, 5292374), (764, 2646187), (3629, 557092), (7258, 278546), (14516, 139273)]