19189899

素因数分解:

$3^3\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 29767680

約数和(自身を除く): 10577781

約数列:

[1, 3, 9, 27, 31, 93, 101, 227, 279, 303, 681, 837, 909, 2043, 2727, 3131, 6129, 7037, 9393, 21111, 22927, 28179, 63333, 68781, 84537, 189999, 206343, 619029, 710737, 2132211, 6396633, 19189899]

約数ペア:

[(1, 19189899), (3, 6396633), (9, 2132211), (27, 710737), (31, 619029), (93, 206343), (101, 189999), (227, 84537), (279, 68781), (303, 63333), (681, 28179), (837, 22927), (909, 21111), (2043, 9393), (2727, 7037), (3131, 6129)]