19821615

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:260

約数の個数: 48

約数和(自身を含む): 35597184

約数和(自身を除く): 15775569

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 121, 163, 165, 201, 335, 363, 489, 605, 737, 815, 1005, 1793, 1815, 2211, 2445, 3685, 5379, 8107, 8965, 10921, 11055, 19723, 24321, 26895, 32763, 40535, 54605, 59169, 98615, 120131, 121605, 163815, 295845, 360393, 600655, 1321441, 1801965, 3964323, 6607205, 19821615]

約数ペア:

[(1, 19821615), (3, 6607205), (5, 3964323), (11, 1801965), (15, 1321441), (33, 600655), (55, 360393), (67, 295845), (121, 163815), (163, 121605), (165, 120131), (201, 98615), (335, 59169), (363, 54605), (489, 40535), (605, 32763), (737, 26895), (815, 24321), (1005, 19723), (1793, 11055), (1815, 10921), (2211, 8965), (2445, 8107), (3685, 5379)]