18974969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{103}}^1\times {\mathrm{383}}^1$

素因数の和:536

約数の個数: 16

約数和(自身を含む): 21245952

約数和(自身を除く): 2270983

約数列:

[1, 13, 37, 103, 383, 481, 1339, 3811, 4979, 14171, 39449, 49543, 184223, 512837, 1459613, 18974969]

約数ペア:

[(1, 18974969), (13, 1459613), (37, 512837), (103, 184223), (383, 49543), (481, 39449), (1339, 14171), (3811, 4979)]