19949698

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{2153}}^1$

素因数の和:2309

約数の個数: 16

約数和(自身を含む): 30940056

約数和(自身を除く): 10990358

約数列:

[1, 2, 41, 82, 113, 226, 2153, 4306, 4633, 9266, 88273, 176546, 243289, 486578, 9974849, 19949698]

約数ペア:

[(1, 19949698), (2, 9974849), (41, 486578), (82, 243289), (113, 176546), (226, 88273), (2153, 9266), (4306, 4633)]