18297855

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21401}}^1$

素因数の和:21431

約数の個数: 24

約数和(自身を含む): 33387120

約数和(自身を除く): 15089265

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21401, 64203, 107005, 192609, 321015, 406619, 963045, 1219857, 2033095, 3659571, 6099285, 18297855]

約数ペア:

[(1, 18297855), (3, 6099285), (5, 3659571), (9, 2033095), (15, 1219857), (19, 963045), (45, 406619), (57, 321015), (95, 192609), (171, 107005), (285, 64203), (855, 21401)]