19409540

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6427}}^1$

素因数の和:6587

約数の個数: 24

約数和(自身を含む): 41036352

約数和(自身を除く): 21626812

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6427, 12854, 25708, 32135, 64270, 128540, 970477, 1940954, 3881908, 4852385, 9704770, 19409540]

約数ペア:

[(1, 19409540), (2, 9704770), (4, 4852385), (5, 3881908), (10, 1940954), (20, 970477), (151, 128540), (302, 64270), (604, 32135), (755, 25708), (1510, 12854), (3020, 6427)]