18940593

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{15287}}^1$

素因数の和:15356

約数の個数: 16

約数和(自身を含む): 29352960

約数和(自身を除く): 10412367

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 15287, 45861, 107009, 321027, 901933, 2705799, 6313531, 18940593]

約数ペア:

[(1, 18940593), (3, 6313531), (7, 2705799), (21, 901933), (59, 321027), (177, 107009), (413, 45861), (1239, 15287)]