18788492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{1429}}^1$

素因数の和:1625

約数の個数: 24

約数和(自身を含む): 34834800

約数和(自身を除く): 16046308

約数列:

[1, 2, 4, 19, 38, 76, 173, 346, 692, 1429, 2858, 3287, 5716, 6574, 13148, 27151, 54302, 108604, 247217, 494434, 988868, 4697123, 9394246, 18788492]

約数ペア:

[(1, 18788492), (2, 9394246), (4, 4697123), (19, 988868), (38, 494434), (76, 247217), (173, 108604), (346, 54302), (692, 27151), (1429, 13148), (2858, 6574), (3287, 5716)]