19289778

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1378

約数の個数: 32

約数和(自身を含む): 40646016

約数和(自身を除く): 21356238

約数列:

[1, 2, 3, 6, 23, 46, 69, 113, 138, 226, 339, 678, 1237, 2474, 2599, 3711, 5198, 7422, 7797, 15594, 28451, 56902, 85353, 139781, 170706, 279562, 419343, 838686, 3214963, 6429926, 9644889, 19289778]

約数ペア:

[(1, 19289778), (2, 9644889), (3, 6429926), (6, 3214963), (23, 838686), (46, 419343), (69, 279562), (113, 170706), (138, 139781), (226, 85353), (339, 56902), (678, 28451), (1237, 15594), (2474, 7797), (2599, 7422), (3711, 5198)]