12979888

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{42697}}^1$

素因数の和:42724

約数の個数: 20

約数和(自身を含む): 26472760

約数和(自身を除く): 13492872

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 42697, 85394, 170788, 341576, 683152, 811243, 1622486, 3244972, 6489944, 12979888]

約数ペア:

[(1, 12979888), (2, 6489944), (4, 3244972), (8, 1622486), (16, 811243), (19, 683152), (38, 341576), (76, 170788), (152, 85394), (304, 42697)]