19963218

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13151}}^1$

素因数の和:13190

約数の個数: 32

約数和(自身を含む): 45453312

約数和(自身を除く): 25490094

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 138, 253, 506, 759, 1518, 13151, 26302, 39453, 78906, 144661, 289322, 302473, 433983, 604946, 867966, 907419, 1814838, 3327203, 6654406, 9981609, 19963218]

約数ペア:

[(1, 19963218), (2, 9981609), (3, 6654406), (6, 3327203), (11, 1814838), (22, 907419), (23, 867966), (33, 604946), (46, 433983), (66, 302473), (69, 289322), (138, 144661), (253, 78906), (506, 39453), (759, 26302), (1518, 13151)]