19758022

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{2281}}^1$

素因数の和:2415

約数の個数: 16

約数和(自身を含む): 30560544

約数和(自身を除く): 10802522

約数列:

[1, 2, 61, 71, 122, 142, 2281, 4331, 4562, 8662, 139141, 161951, 278282, 323902, 9879011, 19758022]

約数ペア:

[(1, 19758022), (2, 9879011), (61, 323902), (71, 278282), (122, 161951), (142, 139141), (2281, 8662), (4331, 4562)]