18662223

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{307}}^1\times {\mathrm{881}}^1$

素因数の和:1214

約数の個数: 16

約数和(自身を含む): 26078976

約数和(自身を除く): 7416753

約数列:

[1, 3, 23, 69, 307, 881, 921, 2643, 7061, 20263, 21183, 60789, 270467, 811401, 6220741, 18662223]

約数ペア:

[(1, 18662223), (3, 6220741), (23, 811401), (69, 270467), (307, 60789), (881, 21183), (921, 20263), (2643, 7061)]