18801477837

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{271}}^1\times {\mathrm{36191}}^1$

素因数の和:36542

約数の個数: 32

約数和(自身を含む): 28351365120

約数和(自身を除く): 9549887283

約数列:

[1, 3, 9, 27, 71, 213, 271, 639, 813, 1917, 2439, 7317, 19241, 36191, 57723, 108573, 173169, 325719, 519507, 977157, 2569561, 7708683, 9807761, 23126049, 29423283, 69378147, 88269849, 264809547, 696351031, 2089053093, 6267159279, 18801477837]

約数ペア:

[(1, 18801477837), (3, 6267159279), (9, 2089053093), (27, 696351031), (71, 264809547), (213, 88269849), (271, 69378147), (639, 29423283), (813, 23126049), (1917, 9807761), (2439, 7708683), (7317, 2569561), (19241, 977157), (36191, 519507), (57723, 325719), (108573, 173169)]