19782087

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{13709}}^1$

素因数の和:13762

約数の個数: 16

約数和(自身を含む): 29174880

約数和(自身を除く): 9392793

約数列:

[1, 3, 13, 37, 39, 111, 481, 1443, 13709, 41127, 178217, 507233, 534651, 1521699, 6594029, 19782087]

約数ペア:

[(1, 19782087), (3, 6594029), (13, 1521699), (37, 534651), (39, 507233), (111, 178217), (481, 41127), (1443, 13709)]