201794668

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{139747}}^1$

素因数の和:139789

約数の個数: 18

約数和(自身を含む): 372707916

約数和(自身を除く): 170913248

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 139747, 279494, 558988, 2655193, 5310386, 10620772, 50448667, 100897334, 201794668]

約数ペア:

[(1, 201794668), (2, 100897334), (4, 50448667), (19, 10620772), (38, 5310386), (76, 2655193), (361, 558988), (722, 279494), (1444, 139747)]