18940947

素因数分解:

$3^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1\times {\mathrm{947}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 25937280

約数和(自身を除く): 6996333

約数列:

[1, 3, 59, 113, 177, 339, 947, 2841, 6667, 20001, 55873, 107011, 167619, 321033, 6313649, 18940947]

約数ペア:

[(1, 18940947), (3, 6313649), (59, 321033), (113, 167619), (177, 107011), (339, 55873), (947, 20001), (2841, 6667)]