19980459855

素因数分解:

$3^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{1069}}^1\times {\mathrm{1327}}^1$

素因数の和:2720

約数の個数: 48

約数和(自身を含む): 34802152320

約数和(自身を除く): 14821692465

約数列:

[1, 3, 5, 9, 15, 45, 313, 939, 1069, 1327, 1565, 2817, 3207, 3981, 4695, 5345, 6635, 9621, 11943, 14085, 16035, 19905, 48105, 59715, 334597, 415351, 1003791, 1246053, 1418563, 1672985, 2076755, 3011373, 3738159, 4255689, 5018955, 6230265, 7092815, 12767067, 15056865, 18690795, 21278445, 63835335, 444010219, 1332030657, 2220051095, 3996091971, 6660153285, 19980459855]

約数ペア:

[(1, 19980459855), (3, 6660153285), (5, 3996091971), (9, 2220051095), (15, 1332030657), (45, 444010219), (313, 63835335), (939, 21278445), (1069, 18690795), (1327, 15056865), (1565, 12767067), (2817, 7092815), (3207, 6230265), (3981, 5018955), (4695, 4255689), (5345, 3738159), (6635, 3011373), (9621, 2076755), (11943, 1672985), (14085, 1418563), (16035, 1246053), (19905, 1003791), (48105, 415351), (59715, 334597)]