19815645744

素因数分解:

$2^4\times 3^2\times {\mathrm{271}}^1\times {\mathrm{507781}}^1$

素因数の和:508066

約数の個数: 60

約数和(自身を含む): 55661031712

約数和(自身を除く): 35845385968

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 271, 542, 813, 1084, 1626, 2168, 2439, 3252, 4336, 4878, 6504, 9756, 13008, 19512, 39024, 507781, 1015562, 1523343, 2031124, 3046686, 4062248, 4570029, 6093372, 8124496, 9140058, 12186744, 18280116, 24373488, 36560232, 73120464, 137608651, 275217302, 412825953, 550434604, 825651906, 1100869208, 1238477859, 1651303812, 2201738416, 2476955718, 3302607624, 4953911436, 6605215248, 9907822872, 19815645744]

約数ペア:

[(1, 19815645744), (2, 9907822872), (3, 6605215248), (4, 4953911436), (6, 3302607624), (8, 2476955718), (9, 2201738416), (12, 1651303812), (16, 1238477859), (18, 1100869208), (24, 825651906), (36, 550434604), (48, 412825953), (72, 275217302), (144, 137608651), (271, 73120464), (542, 36560232), (813, 24373488), (1084, 18280116), (1626, 12186744), (2168, 9140058), (2439, 8124496), (3252, 6093372), (4336, 4570029), (4878, 4062248), (6504, 3046686), (9756, 2031124), (13008, 1523343), (19512, 1015562), (39024, 507781)]