18621872

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{28387}}^1$

素因数の和:28436

約数の個数: 20

約数和(自身を含む): 36961176

約数和(自身を除く): 18339304

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 28387, 56774, 113548, 227096, 454192, 1163867, 2327734, 4655468, 9310936, 18621872]

約数ペア:

[(1, 18621872), (2, 9310936), (4, 4655468), (8, 2327734), (16, 1163867), (41, 454192), (82, 227096), (164, 113548), (328, 56774), (656, 28387)]