19569628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 38624544

約数和(自身を除く): 19054916

約数列:

[1, 2, 4, 13, 26, 41, 52, 67, 82, 134, 137, 164, 268, 274, 533, 548, 871, 1066, 1742, 1781, 2132, 2747, 3484, 3562, 5494, 5617, 7124, 9179, 10988, 11234, 18358, 22468, 35711, 36716, 71422, 73021, 119327, 142844, 146042, 238654, 292084, 376339, 477308, 752678, 1505356, 4892407, 9784814, 19569628]

約数ペア:

[(1, 19569628), (2, 9784814), (4, 4892407), (13, 1505356), (26, 752678), (41, 477308), (52, 376339), (67, 292084), (82, 238654), (134, 146042), (137, 142844), (164, 119327), (268, 73021), (274, 71422), (533, 36716), (548, 35711), (871, 22468), (1066, 18358), (1742, 11234), (1781, 10988), (2132, 9179), (2747, 7124), (3484, 5617), (3562, 5494)]