19515470

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7901}}^1$

素因数の和:7940

約数の個数: 32

約数和(自身を含む): 39826080

約数和(自身を除く): 20310610

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7901, 15802, 39505, 79010, 102713, 150119, 205426, 300238, 513565, 750595, 1027130, 1501190, 1951547, 3903094, 9757735, 19515470]

約数ペア:

[(1, 19515470), (2, 9757735), (5, 3903094), (10, 1951547), (13, 1501190), (19, 1027130), (26, 750595), (38, 513565), (65, 300238), (95, 205426), (130, 150119), (190, 102713), (247, 79010), (494, 39505), (1235, 15802), (2470, 7901)]