19909204

素因数分解:

$2^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{1697}}^1$

素因数の和:2127

約数の個数: 24

約数和(自身を含む): 39936960

約数和(自身を除く): 20027756

約数列:

[1, 2, 4, 7, 14, 28, 419, 838, 1676, 1697, 2933, 3394, 5866, 6788, 11732, 11879, 23758, 47516, 711043, 1422086, 2844172, 4977301, 9954602, 19909204]

約数ペア:

[(1, 19909204), (2, 9954602), (4, 4977301), (7, 2844172), (14, 1422086), (28, 711043), (419, 47516), (838, 23758), (1676, 11879), (1697, 11732), (2933, 6788), (3394, 5866)]