19721472

素因数分解:

$2^8\times 3^1\times {\mathrm{25679}}^1$

素因数の和:25698

約数の個数: 36

約数和(自身を含む): 52489920

約数和(自身を除く): 32768448

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 768, 25679, 51358, 77037, 102716, 154074, 205432, 308148, 410864, 616296, 821728, 1232592, 1643456, 2465184, 3286912, 4930368, 6573824, 9860736, 19721472]

約数ペア:

[(1, 19721472), (2, 9860736), (3, 6573824), (4, 4930368), (6, 3286912), (8, 2465184), (12, 1643456), (16, 1232592), (24, 821728), (32, 616296), (48, 410864), (64, 308148), (96, 205432), (128, 154074), (192, 102716), (256, 77037), (384, 51358), (768, 25679)]