18645405

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{42863}}^1$

素因数の和:42900

約数の個数: 16

約数和(自身を含む): 30862080

約数和(自身を除く): 12216675

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 42863, 128589, 214315, 642945, 1243027, 3729081, 6215135, 18645405]

約数ペア:

[(1, 18645405), (3, 6215135), (5, 3729081), (15, 1243027), (29, 642945), (87, 214315), (145, 128589), (435, 42863)]