1812218556

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^2\times {\mathrm{487}}^1\times {\mathrm{859}}^1$

素因数の和:1391

約数の個数: 72

約数和(自身を含む): 4477146240

約数和(自身を除く): 2664927684

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 361, 487, 722, 859, 974, 1083, 1444, 1461, 1718, 1948, 2166, 2577, 2922, 3436, 4332, 5154, 5844, 9253, 10308, 16321, 18506, 27759, 32642, 37012, 48963, 55518, 65284, 97926, 111036, 175807, 195852, 310099, 351614, 418333, 527421, 620198, 703228, 836666, 930297, 1054842, 1240396, 1254999, 1673332, 1860594, 2109684, 2509998, 3721188, 5019996, 7948327, 15896654, 23844981, 31793308, 47689962, 95379924, 151018213, 302036426, 453054639, 604072852, 906109278, 1812218556]

約数ペア:

[(1, 1812218556), (2, 906109278), (3, 604072852), (4, 453054639), (6, 302036426), (12, 151018213), (19, 95379924), (38, 47689962), (57, 31793308), (76, 23844981), (114, 15896654), (228, 7948327), (361, 5019996), (487, 3721188), (722, 2509998), (859, 2109684), (974, 1860594), (1083, 1673332), (1444, 1254999), (1461, 1240396), (1718, 1054842), (1948, 930297), (2166, 836666), (2577, 703228), (2922, 620198), (3436, 527421), (4332, 418333), (5154, 351614), (5844, 310099), (9253, 195852), (10308, 175807), (16321, 111036), (18506, 97926), (27759, 65284), (32642, 55518), (37012, 48963)]