19718810

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{601}}^1$

素因数の和:818

約数の個数: 32

約数和(自身を含む): 37839312

約数和(自身を除く): 18120502

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 193, 386, 601, 965, 1202, 1930, 3005, 3281, 6010, 6562, 10217, 16405, 20434, 32810, 51085, 102170, 115993, 231986, 579965, 1159930, 1971881, 3943762, 9859405, 19718810]

約数ペア:

[(1, 19718810), (2, 9859405), (5, 3943762), (10, 1971881), (17, 1159930), (34, 579965), (85, 231986), (170, 115993), (193, 102170), (386, 51085), (601, 32810), (965, 20434), (1202, 16405), (1930, 10217), (3005, 6562), (3281, 6010)]