18396955

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:678

約数の個数: 16

約数和(自身を含む): 22818240

約数和(自身を除く): 4421285

約数列:

[1, 5, 37, 185, 277, 359, 1385, 1795, 10249, 13283, 51245, 66415, 99443, 497215, 3679391, 18396955]

約数ペア:

[(1, 18396955), (5, 3679391), (37, 497215), (185, 99443), (277, 66415), (359, 51245), (1385, 13283), (1795, 10249)]