18947505

素因数分解:

$3^1\times 5^1\times {\mathrm{607}}^1\times {\mathrm{2081}}^1$

素因数の和:2696

約数の個数: 16

約数和(自身を含む): 30380544

約数和(自身を除く): 11433039

約数列:

[1, 3, 5, 15, 607, 1821, 2081, 3035, 6243, 9105, 10405, 31215, 1263167, 3789501, 6315835, 18947505]

約数ペア:

[(1, 18947505), (3, 6315835), (5, 3789501), (15, 1263167), (607, 31215), (1821, 10405), (2081, 9105), (3035, 6243)]