18400428

素因数分解:

$2^2\times 3^2\times {\mathrm{511123}}^1$

素因数の和:511133

約数の個数: 18

約数和(自身を含む): 46512284

約数和(自身を除く): 28111856

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 511123, 1022246, 1533369, 2044492, 3066738, 4600107, 6133476, 9200214, 18400428]

約数ペア:

[(1, 18400428), (2, 9200214), (3, 6133476), (4, 4600107), (6, 3066738), (9, 2044492), (12, 1533369), (18, 1022246), (36, 511123)]