18245168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{60017}}^1$

素因数の和:60044

約数の個数: 20

約数和(自身を含む): 37211160

約数和(自身を除く): 18965992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 60017, 120034, 240068, 480136, 960272, 1140323, 2280646, 4561292, 9122584, 18245168]

約数ペア:

[(1, 18245168), (2, 9122584), (4, 4561292), (8, 2280646), (16, 1140323), (19, 960272), (38, 480136), (76, 240068), (152, 120034), (304, 60017)]