19621120

素因数分解:

$2^8\times 5^1\times {\mathrm{15329}}^1$

素因数の和:15350

約数の個数: 36

約数和(自身を含む): 47001780

約数和(自身を除く): 27380660

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 15329, 30658, 61316, 76645, 122632, 153290, 245264, 306580, 490528, 613160, 981056, 1226320, 1962112, 2452640, 3924224, 4905280, 9810560, 19621120]

約数ペア:

[(1, 19621120), (2, 9810560), (4, 4905280), (5, 3924224), (8, 2452640), (10, 1962112), (16, 1226320), (20, 981056), (32, 613160), (40, 490528), (64, 306580), (80, 245264), (128, 153290), (160, 122632), (256, 76645), (320, 61316), (640, 30658), (1280, 15329)]