19617580

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2341}}^1$

素因数の和:2769

約数の個数: 24

約数和(自身を含む): 41312880

約数和(自身を除く): 21695300

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 2341, 4190, 4682, 8380, 9364, 11705, 23410, 46820, 980879, 1961758, 3923516, 4904395, 9808790, 19617580]

約数ペア:

[(1, 19617580), (2, 9808790), (4, 4904395), (5, 3923516), (10, 1961758), (20, 980879), (419, 46820), (838, 23410), (1676, 11705), (2095, 9364), (2341, 8380), (4190, 4682)]