19872734

素因数分解:

$2^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{491}}^1$

素因数の和:573

約数の個数: 32

約数和(自身を含む): 35424000

約数和(自身を除く): 15551266

約数列:

[1, 2, 7, 14, 49, 59, 98, 118, 343, 413, 491, 686, 826, 982, 2891, 3437, 5782, 6874, 20237, 24059, 28969, 40474, 48118, 57938, 168413, 202783, 336826, 405566, 1419481, 2838962, 9936367, 19872734]

約数ペア:

[(1, 19872734), (2, 9936367), (7, 2838962), (14, 1419481), (49, 405566), (59, 336826), (98, 202783), (118, 168413), (343, 57938), (413, 48118), (491, 40474), (686, 28969), (826, 24059), (982, 20237), (2891, 6874), (3437, 5782)]