18411970

素因数分解:

$2^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{8111}}^1$

素因数の和:8345

約数の個数: 16

約数和(自身を含む): 33291648

約数和(自身を除く): 14879678

約数列:

[1, 2, 5, 10, 227, 454, 1135, 2270, 8111, 16222, 40555, 81110, 1841197, 3682394, 9205985, 18411970]

約数ペア:

[(1, 18411970), (2, 9205985), (5, 3682394), (10, 1841197), (227, 81110), (454, 40555), (1135, 16222), (2270, 8111)]