19430428

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2207}}^1$

素因数の和:2313

約数の個数: 24

約数和(自身を含む): 35610624

約数和(自身を除く): 16180196

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2207, 4402, 4414, 8804, 8828, 68417, 136834, 156697, 273668, 313394, 626788, 4857607, 9715214, 19430428]

約数ペア:

[(1, 19430428), (2, 9715214), (4, 4857607), (31, 626788), (62, 313394), (71, 273668), (124, 156697), (142, 136834), (284, 68417), (2201, 8828), (2207, 8804), (4402, 4414)]