2019623164

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{271}}^1\times {\mathrm{397}}^1$

素因数の和:723

約数の個数: 72

約数和(自身を含む): 4042062528

約数和(自身を除く): 2022439364

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 271, 361, 397, 494, 542, 722, 794, 988, 1084, 1444, 1588, 3523, 4693, 5149, 5161, 7046, 7543, 9386, 10298, 10322, 14092, 15086, 18772, 20596, 20644, 30172, 66937, 97831, 98059, 107587, 133874, 143317, 195662, 196118, 215174, 267748, 286634, 391324, 392236, 430348, 573268, 1271803, 1398631, 1863121, 2044153, 2543606, 2797262, 3726242, 4088306, 5087212, 5594524, 7452484, 8176612, 26573989, 38838907, 53147978, 77677814, 106295956, 155355628, 504905791, 1009811582, 2019623164]

約数ペア:

[(1, 2019623164), (2, 1009811582), (4, 504905791), (13, 155355628), (19, 106295956), (26, 77677814), (38, 53147978), (52, 38838907), (76, 26573989), (247, 8176612), (271, 7452484), (361, 5594524), (397, 5087212), (494, 4088306), (542, 3726242), (722, 2797262), (794, 2543606), (988, 2044153), (1084, 1863121), (1444, 1398631), (1588, 1271803), (3523, 573268), (4693, 430348), (5149, 392236), (5161, 391324), (7046, 286634), (7543, 267748), (9386, 215174), (10298, 196118), (10322, 195662), (14092, 143317), (15086, 133874), (18772, 107587), (20596, 98059), (20644, 97831), (30172, 66937)]