18921651

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{14771}}^1$

素因数の和:14842

約数の個数: 16

約数和(自身を含む): 29307648

約数和(自身を除く): 10385997

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 14771, 44313, 103397, 310191, 901031, 2703093, 6307217, 18921651]

約数ペア:

[(1, 18921651), (3, 6307217), (7, 2703093), (21, 901031), (61, 310191), (183, 103397), (427, 44313), (1281, 14771)]