19187870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1433}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 37582272

約数和(自身を除く): 18394402

約数列:

[1, 2, 5, 10, 13, 26, 65, 103, 130, 206, 515, 1030, 1339, 1433, 2678, 2866, 6695, 7165, 13390, 14330, 18629, 37258, 93145, 147599, 186290, 295198, 737995, 1475990, 1918787, 3837574, 9593935, 19187870]

約数ペア:

[(1, 19187870), (2, 9593935), (5, 3837574), (10, 1918787), (13, 1475990), (26, 737995), (65, 295198), (103, 186290), (130, 147599), (206, 93145), (515, 37258), (1030, 18629), (1339, 14330), (1433, 13390), (2678, 7165), (2866, 6695)]