18513807

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{4201}}^1$

素因数の和:4330

約数の個数: 16

約数和(自身を含む): 26825568

約数和(自身を除く): 8311761

約数列:

[1, 3, 13, 39, 113, 339, 1469, 4201, 4407, 12603, 54613, 163839, 474713, 1424139, 6171269, 18513807]

約数ペア:

[(1, 18513807), (3, 6171269), (13, 1424139), (39, 474713), (113, 163839), (339, 54613), (1469, 12603), (4201, 4407)]