18863216

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{1789}}^1$

素因数の和:2456

約数の個数: 20

約数和(自身を含む): 36623400

約数和(自身を除く): 17760184

約数列:

[1, 2, 4, 8, 16, 659, 1318, 1789, 2636, 3578, 5272, 7156, 10544, 14312, 28624, 1178951, 2357902, 4715804, 9431608, 18863216]

約数ペア:

[(1, 18863216), (2, 9431608), (4, 4715804), (8, 2357902), (16, 1178951), (659, 28624), (1318, 14312), (1789, 10544), (2636, 7156), (3578, 5272)]