16986190

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^2$

素因数の和:98

約数の個数: 72

約数和(自身を含む): 36431640

約数和(自身を除く): 19445450

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 46, 65, 95, 115, 130, 169, 190, 230, 247, 299, 338, 437, 494, 529, 598, 845, 874, 1058, 1235, 1495, 1690, 2185, 2470, 2645, 2990, 3211, 3887, 4370, 5290, 5681, 6422, 6877, 7774, 10051, 11362, 13754, 16055, 19435, 20102, 28405, 32110, 34385, 38870, 50255, 56810, 68770, 73853, 89401, 100510, 130663, 147706, 178802, 261326, 369265, 447005, 653315, 738530, 894010, 1306630, 1698619, 3397238, 8493095, 16986190]

約数ペア:

[(1, 16986190), (2, 8493095), (5, 3397238), (10, 1698619), (13, 1306630), (19, 894010), (23, 738530), (26, 653315), (38, 447005), (46, 369265), (65, 261326), (95, 178802), (115, 147706), (130, 130663), (169, 100510), (190, 89401), (230, 73853), (247, 68770), (299, 56810), (338, 50255), (437, 38870), (494, 34385), (529, 32110), (598, 28405), (845, 20102), (874, 19435), (1058, 16055), (1235, 13754), (1495, 11362), (1690, 10051), (2185, 7774), (2470, 6877), (2645, 6422), (2990, 5681), (3211, 5290), (3887, 4370)]