19514924

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:450

約数の個数: 48

約数和(自身を含む): 40619040

約数和(自身を除く): 21104116

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 109, 143, 218, 286, 313, 436, 572, 626, 1199, 1252, 1417, 2398, 2834, 3443, 4069, 4796, 5668, 6886, 8138, 13772, 15587, 16276, 31174, 34117, 44759, 62348, 68234, 89518, 136468, 179036, 375287, 443521, 750574, 887042, 1501148, 1774084, 4878731, 9757462, 19514924]

約数ペア:

[(1, 19514924), (2, 9757462), (4, 4878731), (11, 1774084), (13, 1501148), (22, 887042), (26, 750574), (44, 443521), (52, 375287), (109, 179036), (143, 136468), (218, 89518), (286, 68234), (313, 62348), (436, 44759), (572, 34117), (626, 31174), (1199, 16276), (1252, 15587), (1417, 13772), (2398, 8138), (2834, 6886), (3443, 5668), (4069, 4796)]