18762891

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{10039}}^1$

素因数の和:10138

約数の個数: 16

約数和(自身を含む): 28915200

約数和(自身を除く): 10152309

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 10039, 30117, 70273, 210819, 893471, 2680413, 6254297, 18762891]

約数ペア:

[(1, 18762891), (3, 6254297), (7, 2680413), (21, 893471), (89, 210819), (267, 70273), (623, 30117), (1869, 10039)]