18867590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{11719}}^1$

素因数の和:11756

約数の個数: 32

約数和(自身を含む): 40504320

約数和(自身を除く): 21636730

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 11719, 23438, 58595, 82033, 117190, 164066, 269537, 410165, 539074, 820330, 1347685, 1886759, 2695370, 3773518, 9433795, 18867590]

約数ペア:

[(1, 18867590), (2, 9433795), (5, 3773518), (7, 2695370), (10, 1886759), (14, 1347685), (23, 820330), (35, 539074), (46, 410165), (70, 269537), (115, 164066), (161, 117190), (230, 82033), (322, 58595), (805, 23438), (1610, 11719)]