18494340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1279}}^1$

素因数の和:1532

約数の個数: 48

約数和(自身を含む): 52039680

約数和(自身を除く): 33545340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 241, 482, 723, 964, 1205, 1279, 1446, 2410, 2558, 2892, 3615, 3837, 4820, 5116, 6395, 7230, 7674, 12790, 14460, 15348, 19185, 25580, 38370, 76740, 308239, 616478, 924717, 1232956, 1541195, 1849434, 3082390, 3698868, 4623585, 6164780, 9247170, 18494340]

約数ペア:

[(1, 18494340), (2, 9247170), (3, 6164780), (4, 4623585), (5, 3698868), (6, 3082390), (10, 1849434), (12, 1541195), (15, 1232956), (20, 924717), (30, 616478), (60, 308239), (241, 76740), (482, 38370), (723, 25580), (964, 19185), (1205, 15348), (1279, 14460), (1446, 12790), (2410, 7674), (2558, 7230), (2892, 6395), (3615, 5116), (3837, 4820)]