19866170

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 36720000

約数和(自身を除く): 16853830

約数列:

[1, 2, 5, 10, 67, 134, 149, 199, 298, 335, 398, 670, 745, 995, 1490, 1990, 9983, 13333, 19966, 26666, 29651, 49915, 59302, 66665, 99830, 133330, 148255, 296510, 1986617, 3973234, 9933085, 19866170]

約数ペア:

[(1, 19866170), (2, 9933085), (5, 3973234), (10, 1986617), (67, 296510), (134, 148255), (149, 133330), (199, 99830), (298, 66665), (335, 59302), (398, 49915), (670, 29651), (745, 26666), (995, 19966), (1490, 13333), (1990, 9983)]