18871678

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{151}}^1$

素因数の和:352

約数の個数: 32

約数和(自身を含む): 33269760

約数和(自身を除く): 14398082

約数列:

[1, 2, 7, 14, 79, 113, 151, 158, 226, 302, 553, 791, 1057, 1106, 1582, 2114, 8927, 11929, 17063, 17854, 23858, 34126, 62489, 83503, 119441, 124978, 167006, 238882, 1347977, 2695954, 9435839, 18871678]

約数ペア:

[(1, 18871678), (2, 9435839), (7, 2695954), (14, 1347977), (79, 238882), (113, 167006), (151, 124978), (158, 119441), (226, 83503), (302, 62489), (553, 34126), (791, 23858), (1057, 17854), (1106, 17063), (1582, 11929), (2114, 8927)]