2019911220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2243}}^1\times {\mathrm{5003}}^1$

素因数の和:7261

約数の個数: 72

約数和(自身を含む): 6131020896

約数和(自身を除く): 4111109676

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2243, 4486, 5003, 6729, 8972, 10006, 11215, 13458, 15009, 20012, 20187, 22430, 25015, 26916, 30018, 33645, 40374, 44860, 45027, 50030, 60036, 67290, 75045, 80748, 90054, 100060, 100935, 134580, 150090, 180108, 201870, 225135, 300180, 403740, 450270, 900540, 11221729, 22443458, 33665187, 44886916, 56108645, 67330374, 100995561, 112217290, 134660748, 168325935, 201991122, 224434580, 336651870, 403982244, 504977805, 673303740, 1009955610, 2019911220]

約数ペア:

[(1, 2019911220), (2, 1009955610), (3, 673303740), (4, 504977805), (5, 403982244), (6, 336651870), (9, 224434580), (10, 201991122), (12, 168325935), (15, 134660748), (18, 112217290), (20, 100995561), (30, 67330374), (36, 56108645), (45, 44886916), (60, 33665187), (90, 22443458), (180, 11221729), (2243, 900540), (4486, 450270), (5003, 403740), (6729, 300180), (8972, 225135), (10006, 201870), (11215, 180108), (13458, 150090), (15009, 134580), (20012, 100935), (20187, 100060), (22430, 90054), (25015, 80748), (26916, 75045), (30018, 67290), (33645, 60036), (40374, 50030), (44860, 45027)]