19217205

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61007}}^1$

素因数の和:61025

約数の個数: 24

約数和(自身を含む): 38068992

約数和(自身を除く): 18851787

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 61007, 183021, 305035, 427049, 549063, 915105, 1281147, 2135245, 2745315, 3843441, 6405735, 19217205]

約数ペア:

[(1, 19217205), (3, 6405735), (5, 3843441), (7, 2745315), (9, 2135245), (15, 1281147), (21, 915105), (35, 549063), (45, 427049), (63, 305035), (105, 183021), (315, 61007)]