18873669003

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{12311591}}^1$

素因数の和:12311674

約数の個数: 16

約数和(自身を含む): 29153849856

約数和(自身を除く): 10280180853

約数列:

[1, 3, 7, 21, 73, 219, 511, 1533, 12311591, 36934773, 86181137, 258543411, 898746143, 2696238429, 6291223001, 18873669003]

約数ペア:

[(1, 18873669003), (3, 6291223001), (7, 2696238429), (21, 898746143), (73, 258543411), (219, 86181137), (511, 36934773), (1533, 12311591)]