17982256

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{443}}^1$

素因数の和:553

約数の個数: 40

約数和(自身を含む): 36336960

約数和(自身を除く): 18354704

約数列:

[1, 2, 4, 8, 16, 43, 59, 86, 118, 172, 236, 344, 443, 472, 688, 886, 944, 1772, 2537, 3544, 5074, 7088, 10148, 19049, 20296, 26137, 38098, 40592, 52274, 76196, 104548, 152392, 209096, 304784, 418192, 1123891, 2247782, 4495564, 8991128, 17982256]

約数ペア:

[(1, 17982256), (2, 8991128), (4, 4495564), (8, 2247782), (16, 1123891), (43, 418192), (59, 304784), (86, 209096), (118, 152392), (172, 104548), (236, 76196), (344, 52274), (443, 40592), (472, 38098), (688, 26137), (886, 20296), (944, 19049), (1772, 10148), (2537, 7088), (3544, 5074)]