18521180

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9547}}^1$

素因数の和:9653

約数の個数: 24

約数和(自身を含む): 39299568

約数和(自身を除く): 20778388

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9547, 19094, 38188, 47735, 95470, 190940, 926059, 1852118, 3704236, 4630295, 9260590, 18521180]

約数ペア:

[(1, 18521180), (2, 9260590), (4, 4630295), (5, 3704236), (10, 1852118), (20, 926059), (97, 190940), (194, 95470), (388, 47735), (485, 38188), (970, 19094), (1940, 9547)]