19828815

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10091}}^1$

素因数の和:10230

約数の個数: 16

約数和(自身を含む): 31971456

約数和(自身を除く): 12142641

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10091, 30273, 50455, 151365, 1321921, 3965763, 6609605, 19828815]

約数ペア:

[(1, 19828815), (3, 6609605), (5, 3965763), (15, 1321921), (131, 151365), (393, 50455), (655, 30273), (1965, 10091)]