18516942

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{14489}}^1$

素因数の和:14568

約数の個数: 24

約数和(自身を含む): 40687920

約数和(自身を除く): 22170978

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 14489, 28978, 43467, 86934, 130401, 260802, 1028719, 2057438, 3086157, 6172314, 9258471, 18516942]

約数ペア:

[(1, 18516942), (2, 9258471), (3, 6172314), (6, 3086157), (9, 2057438), (18, 1028719), (71, 260802), (142, 130401), (213, 86934), (426, 43467), (639, 28978), (1278, 14489)]