39978698

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{431}}^1\times {\mathrm{2441}}^1$

素因数の和:2893

約数の個数: 16

約数和(自身を含む): 63296640

約数和(自身を除く): 23317942

約数列:

[1, 2, 19, 38, 431, 862, 2441, 4882, 8189, 16378, 46379, 92758, 1052071, 2104142, 19989349, 39978698]

約数ペア:

[(1, 39978698), (2, 19989349), (19, 2104142), (38, 1052071), (431, 92758), (862, 46379), (2441, 16378), (4882, 8189)]