19215315

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{61001}}^1$

素因数の和:61019

約数の個数: 24

約数和(自身を含む): 38065248

約数和(自身を除く): 18849933

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 315, 61001, 183003, 305005, 427007, 549009, 915015, 1281021, 2135035, 2745045, 3843063, 6405105, 19215315]

約数ペア:

[(1, 19215315), (3, 6405105), (5, 3843063), (7, 2745045), (9, 2135035), (15, 1281021), (21, 915015), (35, 549009), (45, 427007), (63, 305005), (105, 183003), (315, 61001)]