18909195

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{9623}}^1$

素因数の和:9762

約数の個数: 16

約数和(自身を含む): 30488832

約数和(自身を除く): 11579637

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 9623, 28869, 48115, 144345, 1260613, 3781839, 6303065, 18909195]

約数ペア:

[(1, 18909195), (3, 6303065), (5, 3781839), (15, 1260613), (131, 144345), (393, 48115), (655, 28869), (1965, 9623)]