19928788

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{11047}}^1$

素因数の和:11103

約数の個数: 24

約数和(自身を含む): 38977344

約数和(自身を除く): 19048556

約数列:

[1, 2, 4, 11, 22, 41, 44, 82, 164, 451, 902, 1804, 11047, 22094, 44188, 121517, 243034, 452927, 486068, 905854, 1811708, 4982197, 9964394, 19928788]

約数ペア:

[(1, 19928788), (2, 9964394), (4, 4982197), (11, 1811708), (22, 905854), (41, 486068), (44, 452927), (82, 243034), (164, 121517), (451, 44188), (902, 22094), (1804, 11047)]