18157538

素因数分解:

$2^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{6389}}^1$

素因数の和:6434

約数の個数: 24

約数和(自身を含む): 32780700

約数和(自身を除く): 14623162

約数列:

[1, 2, 7, 14, 29, 49, 58, 98, 203, 406, 1421, 2842, 6389, 12778, 44723, 89446, 185281, 313061, 370562, 626122, 1296967, 2593934, 9078769, 18157538]

約数ペア:

[(1, 18157538), (2, 9078769), (7, 2593934), (14, 1296967), (29, 626122), (49, 370562), (58, 313061), (98, 185281), (203, 89446), (406, 44723), (1421, 12778), (2842, 6389)]