19421992

素因数分解:

$2^3\times {\mathrm{79}}^2\times {\mathrm{389}}^1$

素因数の和:553

約数の個数: 24

約数和(自身を含む): 36977850

約数和(自身を除く): 17555858

約数列:

[1, 2, 4, 8, 79, 158, 316, 389, 632, 778, 1556, 3112, 6241, 12482, 24964, 30731, 49928, 61462, 122924, 245848, 2427749, 4855498, 9710996, 19421992]

約数ペア:

[(1, 19421992), (2, 9710996), (4, 4855498), (8, 2427749), (79, 245848), (158, 122924), (316, 61462), (389, 49928), (632, 30731), (778, 24964), (1556, 12482), (3112, 6241)]