19655902

素因数分解:

$2^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{317}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 34924032

約数和(自身を除く): 15268130

約数列:

[1, 2, 7, 14, 43, 86, 103, 206, 301, 317, 602, 634, 721, 1442, 2219, 4429, 4438, 8858, 13631, 27262, 31003, 32651, 62006, 65302, 95417, 190834, 228557, 457114, 1403993, 2807986, 9827951, 19655902]

約数ペア:

[(1, 19655902), (2, 9827951), (7, 2807986), (14, 1403993), (43, 457114), (86, 228557), (103, 190834), (206, 95417), (301, 65302), (317, 62006), (602, 32651), (634, 31003), (721, 27262), (1442, 13631), (2219, 8858), (4429, 4438)]