18568788

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{499}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 49728000

約数和(自身を除く): 31159212

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 443, 499, 886, 998, 1329, 1497, 1772, 1996, 2658, 2994, 3101, 3493, 5316, 5988, 6202, 6986, 9303, 10479, 12404, 13972, 18606, 20958, 37212, 41916, 221057, 442114, 663171, 884228, 1326342, 1547399, 2652684, 3094798, 4642197, 6189596, 9284394, 18568788]

約数ペア:

[(1, 18568788), (2, 9284394), (3, 6189596), (4, 4642197), (6, 3094798), (7, 2652684), (12, 1547399), (14, 1326342), (21, 884228), (28, 663171), (42, 442114), (84, 221057), (443, 41916), (499, 37212), (886, 20958), (998, 18606), (1329, 13972), (1497, 12404), (1772, 10479), (1996, 9303), (2658, 6986), (2994, 6202), (3101, 5988), (3493, 5316)]