18321868

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1237

約数の個数: 24

約数和(自身を含む): 33367040

約数和(自身を除く): 15045172

約数列:

[1, 2, 4, 31, 62, 124, 139, 278, 556, 1063, 2126, 4252, 4309, 8618, 17236, 32953, 65906, 131812, 147757, 295514, 591028, 4580467, 9160934, 18321868]

約数ペア:

[(1, 18321868), (2, 9160934), (4, 4580467), (31, 591028), (62, 295514), (124, 147757), (139, 131812), (278, 65906), (556, 32953), (1063, 17236), (2126, 8618), (4252, 4309)]