18320835

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2067

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 13935165

約数列:

[1, 3, 5, 13, 15, 39, 47, 65, 141, 195, 235, 611, 705, 1833, 1999, 3055, 5997, 9165, 9995, 25987, 29985, 77961, 93953, 129935, 281859, 389805, 469765, 1221389, 1409295, 3664167, 6106945, 18320835]

約数ペア:

[(1, 18320835), (3, 6106945), (5, 3664167), (13, 1409295), (15, 1221389), (39, 469765), (47, 389805), (65, 281859), (141, 129935), (195, 93953), (235, 77961), (611, 29985), (705, 25987), (1833, 9995), (1999, 9165), (3055, 5997)]