18297860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{130699}}^1$

素因数の和:130715

約数の個数: 24

約数和(自身を含む): 43915200

約数和(自身を除く): 25617340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 130699, 261398, 522796, 653495, 914893, 1306990, 1829786, 2613980, 3659572, 4574465, 9148930, 18297860]

約数ペア:

[(1, 18297860), (2, 9148930), (4, 4574465), (5, 3659572), (7, 2613980), (10, 1829786), (14, 1306990), (20, 914893), (28, 653495), (35, 522796), (70, 261398), (140, 130699)]