18514785

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{4271}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 31476096

約数和(自身を除く): 12961311

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4271, 4335, 12813, 21355, 64065, 72607, 217821, 363035, 1089105, 1234319, 3702957, 6171595, 18514785]

約数ペア:

[(1, 18514785), (3, 6171595), (5, 3702957), (15, 1234319), (17, 1089105), (51, 363035), (85, 217821), (255, 72607), (289, 64065), (867, 21355), (1445, 12813), (4271, 4335)]