18902559

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{251}}^1\times {\mathrm{1931}}^1$

素因数の和:2198

約数の個数: 16

約数和(自身を含む): 27264384

約数和(自身を除く): 8361825

約数列:

[1, 3, 13, 39, 251, 753, 1931, 3263, 5793, 9789, 25103, 75309, 484681, 1454043, 6300853, 18902559]

約数ペア:

[(1, 18902559), (3, 6300853), (13, 1454043), (39, 484681), (251, 75309), (753, 25103), (1931, 9789), (3263, 5793)]