18996110

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{6311}}^1$

素因数の和:6368

約数の個数: 32

約数和(自身を含む): 39992832

約数和(自身を除く): 20996722

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 6311, 12622, 31555, 44177, 63110, 88354, 220885, 271373, 441770, 542746, 1356865, 1899611, 2713730, 3799222, 9498055, 18996110]

約数ペア:

[(1, 18996110), (2, 9498055), (5, 3799222), (7, 2713730), (10, 1899611), (14, 1356865), (35, 542746), (43, 441770), (70, 271373), (86, 220885), (215, 88354), (301, 63110), (430, 44177), (602, 31555), (1505, 12622), (3010, 6311)]