18407690

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2711}}^1$

素因数の和:2822

約数の個数: 32

約数和(自身を含む): 38271744

約数和(自身を除く): 19864054

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 97, 194, 485, 679, 970, 1358, 2711, 3395, 5422, 6790, 13555, 18977, 27110, 37954, 94885, 189770, 262967, 525934, 1314835, 1840769, 2629670, 3681538, 9203845, 18407690]

約数ペア:

[(1, 18407690), (2, 9203845), (5, 3681538), (7, 2629670), (10, 1840769), (14, 1314835), (35, 525934), (70, 262967), (97, 189770), (194, 94885), (485, 37954), (679, 27110), (970, 18977), (1358, 13555), (2711, 6790), (3395, 5422)]