19349075

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 24790080

約数和(自身を除く): 5441005

約数列:

[1, 5, 25, 79, 97, 101, 395, 485, 505, 1975, 2425, 2525, 7663, 7979, 9797, 38315, 39895, 48985, 191575, 199475, 244925, 773963, 3869815, 19349075]

約数ペア:

[(1, 19349075), (5, 3869815), (25, 773963), (79, 244925), (97, 199475), (101, 191575), (395, 48985), (485, 39895), (505, 38315), (1975, 9797), (2425, 7979), (2525, 7663)]