18771290

素因数分解:

$2^1\times 5^1\times {\mathrm{769}}^1\times {\mathrm{2441}}^1$

素因数の和:3217

約数の個数: 16

約数和(自身を含む): 33846120

約数和(自身を除く): 15074830

約数列:

[1, 2, 5, 10, 769, 1538, 2441, 3845, 4882, 7690, 12205, 24410, 1877129, 3754258, 9385645, 18771290]

約数ペア:

[(1, 18771290), (2, 9385645), (5, 3754258), (10, 1877129), (769, 24410), (1538, 12205), (2441, 7690), (3845, 4882)]