19432738

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{6857}}^1$

素因数の和:6981

約数の個数: 16

約数和(自身を含む): 31683960

約数和(自身を除く): 12251222

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 6857, 13714, 89141, 178282, 747413, 1494826, 9716369, 19432738]

約数ペア:

[(1, 19432738), (2, 9716369), (13, 1494826), (26, 747413), (109, 178282), (218, 89141), (1417, 13714), (2834, 6857)]