18966656

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{2087}}^1$

素因数の和:2172

約数の個数: 32

約数和(自身を含む): 38335680

約数和(自身を除く): 19369024

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2087, 2272, 4174, 4544, 8348, 9088, 16696, 33392, 66784, 133568, 148177, 267136, 296354, 592708, 1185416, 2370832, 4741664, 9483328, 18966656]

約数ペア:

[(1, 18966656), (2, 9483328), (4, 4741664), (8, 2370832), (16, 1185416), (32, 592708), (64, 296354), (71, 267136), (128, 148177), (142, 133568), (284, 66784), (568, 33392), (1136, 16696), (2087, 9088), (2272, 8348), (4174, 4544)]