18917450

素因数分解:

$2^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{5647}}^1$

素因数の和:5726

約数の個数: 24

約数和(自身を含む): 35717952

約数和(自身を除く): 16800502

約数列:

[1, 2, 5, 10, 25, 50, 67, 134, 335, 670, 1675, 3350, 5647, 11294, 28235, 56470, 141175, 282350, 378349, 756698, 1891745, 3783490, 9458725, 18917450]

約数ペア:

[(1, 18917450), (2, 9458725), (5, 3783490), (10, 1891745), (25, 756698), (50, 378349), (67, 282350), (134, 141175), (335, 56470), (670, 28235), (1675, 11294), (3350, 5647)]