18457136

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{18911}}^1$

素因数の和:18980

約数の個数: 20

約数和(自身を含む): 36348864

約数和(自身を除く): 17891728

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 18911, 37822, 75644, 151288, 302576, 1153571, 2307142, 4614284, 9228568, 18457136]

約数ペア:

[(1, 18457136), (2, 9228568), (4, 4614284), (8, 2307142), (16, 1153571), (61, 302576), (122, 151288), (244, 75644), (488, 37822), (976, 18911)]