18428768

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 19492192

約数列:

[1, 2, 4, 8, 16, 32, 43, 59, 86, 118, 172, 227, 236, 344, 454, 472, 688, 908, 944, 1376, 1816, 1888, 2537, 3632, 5074, 7264, 9761, 10148, 13393, 19522, 20296, 26786, 39044, 40592, 53572, 78088, 81184, 107144, 156176, 214288, 312352, 428576, 575899, 1151798, 2303596, 4607192, 9214384, 18428768]

約数ペア:

[(1, 18428768), (2, 9214384), (4, 4607192), (8, 2303596), (16, 1151798), (32, 575899), (43, 428576), (59, 312352), (86, 214288), (118, 156176), (172, 107144), (227, 81184), (236, 78088), (344, 53572), (454, 40592), (472, 39044), (688, 26786), (908, 20296), (944, 19522), (1376, 13393), (1816, 10148), (1888, 9761), (2537, 7264), (3632, 5074)]