17975972

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{271}}^1$

素因数の和:408

約数の個数: 48

約数和(自身を含む): 38019072

約数和(自身を除く): 20043100

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 103, 161, 206, 271, 322, 412, 542, 644, 721, 1084, 1442, 1897, 2369, 2884, 3794, 4738, 6233, 7588, 9476, 12466, 16583, 24932, 27913, 33166, 43631, 55826, 66332, 87262, 111652, 174524, 195391, 390782, 641999, 781564, 1283998, 2567996, 4493993, 8987986, 17975972]

約数ペア:

[(1, 17975972), (2, 8987986), (4, 4493993), (7, 2567996), (14, 1283998), (23, 781564), (28, 641999), (46, 390782), (92, 195391), (103, 174524), (161, 111652), (206, 87262), (271, 66332), (322, 55826), (412, 43631), (542, 33166), (644, 27913), (721, 24932), (1084, 16583), (1442, 12466), (1897, 9476), (2369, 7588), (2884, 6233), (3794, 4738)]