18557868

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{853}}^1$

素因数の和:911

約数の個数: 72

約数和(自身を含む): 51793392

約数和(自身を除く): 33235524

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 49, 74, 84, 98, 111, 147, 148, 196, 222, 259, 294, 444, 518, 588, 777, 853, 1036, 1554, 1706, 1813, 2559, 3108, 3412, 3626, 5118, 5439, 5971, 7252, 10236, 10878, 11942, 17913, 21756, 23884, 31561, 35826, 41797, 63122, 71652, 83594, 94683, 125391, 126244, 167188, 189366, 220927, 250782, 378732, 441854, 501564, 662781, 883708, 1325562, 1546489, 2651124, 3092978, 4639467, 6185956, 9278934, 18557868]

約数ペア:

[(1, 18557868), (2, 9278934), (3, 6185956), (4, 4639467), (6, 3092978), (7, 2651124), (12, 1546489), (14, 1325562), (21, 883708), (28, 662781), (37, 501564), (42, 441854), (49, 378732), (74, 250782), (84, 220927), (98, 189366), (111, 167188), (147, 126244), (148, 125391), (196, 94683), (222, 83594), (259, 71652), (294, 63122), (444, 41797), (518, 35826), (588, 31561), (777, 23884), (853, 21756), (1036, 17913), (1554, 11942), (1706, 10878), (1813, 10236), (2559, 7252), (3108, 5971), (3412, 5439), (3626, 5118)]