19673540

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10141}}^1$

素因数の和:10247

約数の個数: 24

約数和(自身を含む): 41744472

約数和(自身を除く): 22070932

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10141, 20282, 40564, 50705, 101410, 202820, 983677, 1967354, 3934708, 4918385, 9836770, 19673540]

約数ペア:

[(1, 19673540), (2, 9836770), (4, 4918385), (5, 3934708), (10, 1967354), (20, 983677), (97, 202820), (194, 101410), (388, 50705), (485, 40564), (970, 20282), (1940, 10141)]