12920518

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1153}}^1$

素因数の和:1599

約数の個数: 16

約数和(自身を含む): 20938176

約数和(自身を除く): 8017658

約数列:

[1, 2, 13, 26, 431, 862, 1153, 2306, 5603, 11206, 14989, 29978, 496943, 993886, 6460259, 12920518]

約数ペア:

[(1, 12920518), (2, 6460259), (13, 993886), (26, 496943), (431, 29978), (862, 14989), (1153, 11206), (2306, 5603)]