18664354

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{311}}^1\times {\mathrm{811}}^1$

素因数の和:1161

約数の個数: 16

約数和(自身を含む): 28881216

約数和(自身を除く): 10216862

約数列:

[1, 2, 37, 74, 311, 622, 811, 1622, 11507, 23014, 30007, 60014, 252221, 504442, 9332177, 18664354]

約数ペア:

[(1, 18664354), (2, 9332177), (37, 504442), (74, 252221), (311, 60014), (622, 30007), (811, 23014), (1622, 11507)]