18696784

素因数分解:

$2^4\times {\mathrm{457}}^1\times {\mathrm{2557}}^1$

素因数の和:3022

約数の個数: 20

約数和(自身を含む): 36318484

約数和(自身を除く): 17621700

約数列:

[1, 2, 4, 8, 16, 457, 914, 1828, 2557, 3656, 5114, 7312, 10228, 20456, 40912, 1168549, 2337098, 4674196, 9348392, 18696784]

約数ペア:

[(1, 18696784), (2, 9348392), (4, 4674196), (8, 2337098), (16, 1168549), (457, 40912), (914, 20456), (1828, 10228), (2557, 7312), (3656, 5114)]