18778810

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{81647}}^1$

素因数の和:81677

約数の個数: 16

約数和(自身を含む): 35271936

約数和(自身を除く): 16493126

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 81647, 163294, 408235, 816470, 1877881, 3755762, 9389405, 18778810]

約数ペア:

[(1, 18778810), (2, 9389405), (5, 3755762), (10, 1877881), (23, 816470), (46, 408235), (115, 163294), (230, 81647)]