18717114

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{239963}}^1$

素因数の和:239981

約数の個数: 16

約数和(自身を含む): 40313952

約数和(自身を除く): 21596838

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 239963, 479926, 719889, 1439778, 3119519, 6239038, 9358557, 18717114]

約数ペア:

[(1, 18717114), (2, 9358557), (3, 6239038), (6, 3119519), (13, 1439778), (26, 719889), (39, 479926), (78, 239963)]