18189759

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{277}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 28823040

約数和(自身を除く): 10633281

約数列:

[1, 3, 7, 21, 53, 59, 159, 177, 277, 371, 413, 831, 1113, 1239, 1939, 3127, 5817, 9381, 14681, 16343, 21889, 44043, 49029, 65667, 102767, 114401, 308301, 343203, 866179, 2598537, 6063253, 18189759]

約数ペア:

[(1, 18189759), (3, 6063253), (7, 2598537), (21, 866179), (53, 343203), (59, 308301), (159, 114401), (177, 102767), (277, 65667), (371, 49029), (413, 44043), (831, 21889), (1113, 16343), (1239, 14681), (1939, 9381), (3127, 5817)]