19966030

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{5821}}^1$

素因数の和:5849

約数の個数: 32

約数和(自身を含む): 41918400

約数和(自身を除く): 21952370

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 5821, 11642, 29105, 40747, 58210, 81494, 203735, 285229, 407470, 570458, 1426145, 1996603, 2852290, 3993206, 9983015, 19966030]

約数ペア:

[(1, 19966030), (2, 9983015), (5, 3993206), (7, 2852290), (10, 1996603), (14, 1426145), (35, 570458), (49, 407470), (70, 285229), (98, 203735), (245, 81494), (343, 58210), (490, 40747), (686, 29105), (1715, 11642), (3430, 5821)]