18935709

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{397}}^1\times {\mathrm{1223}}^1$

素因数の和:1636

約数の個数: 16

約数和(自身を含む): 27280512

約数和(自身を除く): 8344803

約数列:

[1, 3, 13, 39, 397, 1191, 1223, 3669, 5161, 15483, 15899, 47697, 485531, 1456593, 6311903, 18935709]

約数ペア:

[(1, 18935709), (3, 6311903), (13, 1456593), (39, 485531), (397, 47697), (1191, 15899), (1223, 15483), (3669, 5161)]