12205904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{40151}}^1$

素因数の和:40178

約数の個数: 20

約数和(自身を含む): 24894240

約数和(自身を除く): 12688336

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 40151, 80302, 160604, 321208, 642416, 762869, 1525738, 3051476, 6102952, 12205904]

約数ペア:

[(1, 12205904), (2, 6102952), (4, 3051476), (8, 1525738), (16, 762869), (19, 642416), (38, 321208), (76, 160604), (152, 80302), (304, 40151)]