19867980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30103}}^1$

素因数の和:30126

約数の個数: 48

約数和(自身を含む): 60689664

約数和(自身を除く): 40821684

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 30103, 60206, 90309, 120412, 150515, 180618, 301030, 331133, 361236, 451545, 602060, 662266, 903090, 993399, 1324532, 1655665, 1806180, 1986798, 3311330, 3973596, 4966995, 6622660, 9933990, 19867980]

約数ペア:

[(1, 19867980), (2, 9933990), (3, 6622660), (4, 4966995), (5, 3973596), (6, 3311330), (10, 1986798), (11, 1806180), (12, 1655665), (15, 1324532), (20, 993399), (22, 903090), (30, 662266), (33, 602060), (44, 451545), (55, 361236), (60, 331133), (66, 301030), (110, 180618), (132, 150515), (165, 120412), (220, 90309), (330, 60206), (660, 30103)]