19017290

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{991}}^1$

素因数の和:1118

約数の個数: 32

約数和(自身を含む): 36426240

約数和(自身を除く): 17408950

約数列:

[1, 2, 5, 10, 19, 38, 95, 101, 190, 202, 505, 991, 1010, 1919, 1982, 3838, 4955, 9595, 9910, 18829, 19190, 37658, 94145, 100091, 188290, 200182, 500455, 1000910, 1901729, 3803458, 9508645, 19017290]

約数ペア:

[(1, 19017290), (2, 9508645), (5, 3803458), (10, 1901729), (19, 1000910), (38, 500455), (95, 200182), (101, 188290), (190, 100091), (202, 94145), (505, 37658), (991, 19190), (1010, 18829), (1919, 9910), (1982, 9595), (3838, 4955)]