2018780746

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{257}}^1\times {\mathrm{19937}}^1$

素因数の和:20393

約数の個数: 16

約数和(自身を含む): 3055538376

約数和(自身を除く): 1036757630

約数列:

[1, 2, 197, 257, 394, 514, 19937, 39874, 50629, 101258, 3927589, 5123809, 7855178, 10247618, 1009390373, 2018780746]

約数ペア:

[(1, 2018780746), (2, 1009390373), (197, 10247618), (257, 7855178), (394, 5123809), (514, 3927589), (19937, 101258), (39874, 50629)]