18111807

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{15131}}^1$

素因数の和:15163

約数の個数: 24

約数和(自身を含む): 31474560

約数和(自身を除く): 13362753

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 399, 1197, 15131, 45393, 105917, 136179, 287489, 317751, 862467, 953253, 2012423, 2587401, 6037269, 18111807]

約数ペア:

[(1, 18111807), (3, 6037269), (7, 2587401), (9, 2012423), (19, 953253), (21, 862467), (57, 317751), (63, 287489), (133, 136179), (171, 105917), (399, 45393), (1197, 15131)]