18705890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{267227}}^1$

素因数の和:267241

約数の個数: 16

約数和(自身を含む): 38480832

約数和(自身を除く): 19774942

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 267227, 534454, 1336135, 1870589, 2672270, 3741178, 9352945, 18705890]

約数ペア:

[(1, 18705890), (2, 9352945), (5, 3741178), (7, 2672270), (10, 1870589), (14, 1336135), (35, 534454), (70, 267227)]