19708808

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{11353}}^1$

素因数の和:11397

約数の個数: 32

約数和(自身を含む): 43599360

約数和(自身を除く): 23890552

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 434, 868, 1736, 11353, 22706, 45412, 79471, 90824, 158942, 317884, 351943, 635768, 703886, 1407772, 2463601, 2815544, 4927202, 9854404, 19708808]

約数ペア:

[(1, 19708808), (2, 9854404), (4, 4927202), (7, 2815544), (8, 2463601), (14, 1407772), (28, 703886), (31, 635768), (56, 351943), (62, 317884), (124, 158942), (217, 90824), (248, 79471), (434, 45412), (868, 22706), (1736, 11353)]