18729232

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{16487}}^1$

素因数の和:16566

約数の個数: 20

約数和(自身を含む): 36801216

約数和(自身を除く): 18071984

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 16487, 32974, 65948, 131896, 263792, 1170577, 2341154, 4682308, 9364616, 18729232]

約数ペア:

[(1, 18729232), (2, 9364616), (4, 4682308), (8, 2341154), (16, 1170577), (71, 263792), (142, 131896), (284, 65948), (568, 32974), (1136, 16487)]