19723260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328721}}^1$

素因数の和:328733

約数の個数: 24

約数和(自身を含む): 55225296

約数和(自身を除く): 35502036

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328721, 657442, 986163, 1314884, 1643605, 1972326, 3287210, 3944652, 4930815, 6574420, 9861630, 19723260]

約数ペア:

[(1, 19723260), (2, 9861630), (3, 6574420), (4, 4930815), (5, 3944652), (6, 3287210), (10, 1972326), (12, 1643605), (15, 1314884), (20, 986163), (30, 657442), (60, 328721)]