19897592

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17393}}^1$

素因数の和:17423

約数の個数: 32

約数和(自身を含む): 43832880

約数和(自身を除く): 23935288

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 143, 286, 572, 1144, 17393, 34786, 69572, 139144, 191323, 226109, 382646, 452218, 765292, 904436, 1530584, 1808872, 2487199, 4974398, 9948796, 19897592]

約数ペア:

[(1, 19897592), (2, 9948796), (4, 4974398), (8, 2487199), (11, 1808872), (13, 1530584), (22, 904436), (26, 765292), (44, 452218), (52, 382646), (88, 226109), (104, 191323), (143, 139144), (286, 69572), (572, 34786), (1144, 17393)]