18236439990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1457749}}^1$

素因数の和:1457901

約数の個数: 48

約数和(自身を含む): 47755890000

約数和(自身を除く): 29519450010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 4170, 6255, 12510, 1457749, 2915498, 4373247, 7288745, 8746494, 13119741, 14577490, 21866235, 26239482, 43732470, 65598705, 131197410, 202627111, 405254222, 607881333, 1013135555, 1215762666, 1823643999, 2026271110, 3039406665, 3647287998, 6078813330, 9118219995, 18236439990]

約数ペア:

[(1, 18236439990), (2, 9118219995), (3, 6078813330), (5, 3647287998), (6, 3039406665), (9, 2026271110), (10, 1823643999), (15, 1215762666), (18, 1013135555), (30, 607881333), (45, 405254222), (90, 202627111), (139, 131197410), (278, 65598705), (417, 43732470), (695, 26239482), (834, 21866235), (1251, 14577490), (1390, 13119741), (2085, 8746494), (2502, 7288745), (4170, 4373247), (6255, 2915498), (12510, 1457749)]