19911540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{30169}}^1$

素因数の和:30192

約数の個数: 48

約数和(自身を含む): 60822720

約数和(自身を除く): 40911180

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, 30169, 60338, 90507, 120676, 150845, 181014, 301690, 331859, 362028, 452535, 603380, 663718, 905070, 995577, 1327436, 1659295, 1810140, 1991154, 3318590, 3982308, 4977885, 6637180, 9955770, 19911540]

約数ペア:

[(1, 19911540), (2, 9955770), (3, 6637180), (4, 4977885), (5, 3982308), (6, 3318590), (10, 1991154), (11, 1810140), (12, 1659295), (15, 1327436), (20, 995577), (22, 905070), (30, 663718), (33, 603380), (44, 452535), (55, 362028), (60, 331859), (66, 301690), (110, 181014), (132, 150845), (165, 120676), (220, 90507), (330, 60338), (660, 30169)]