19711188

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{2897}}^1$

素因数の和:2923

約数の個数: 72

約数和(自身を含む): 59072832

約数和(自身を除く): 39361644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 243, 252, 324, 378, 486, 567, 756, 972, 1134, 1701, 2268, 2897, 3402, 5794, 6804, 8691, 11588, 17382, 20279, 26073, 34764, 40558, 52146, 60837, 78219, 81116, 104292, 121674, 156438, 182511, 234657, 243348, 312876, 365022, 469314, 547533, 703971, 730044, 938628, 1095066, 1407942, 1642599, 2190132, 2815884, 3285198, 4927797, 6570396, 9855594, 19711188]

約数ペア:

[(1, 19711188), (2, 9855594), (3, 6570396), (4, 4927797), (6, 3285198), (7, 2815884), (9, 2190132), (12, 1642599), (14, 1407942), (18, 1095066), (21, 938628), (27, 730044), (28, 703971), (36, 547533), (42, 469314), (54, 365022), (63, 312876), (81, 243348), (84, 234657), (108, 182511), (126, 156438), (162, 121674), (189, 104292), (243, 81116), (252, 78219), (324, 60837), (378, 52146), (486, 40558), (567, 34764), (756, 26073), (972, 20279), (1134, 17382), (1701, 11588), (2268, 8691), (2897, 6804), (3402, 5794)]