12419905

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1056

約数の個数: 16

約数和(自身を含む): 15516864

約数和(自身を除く): 3096959

約数列:

[1, 5, 43, 61, 215, 305, 947, 2623, 4735, 13115, 40721, 57767, 203605, 288835, 2483981, 12419905]

約数ペア:

[(1, 12419905), (5, 2483981), (43, 288835), (61, 203605), (215, 57767), (305, 40721), (947, 13115), (2623, 4735)]