18869480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67391}}^1$

素因数の和:67409

約数の個数: 32

約数和(自身を含む): 48522240

約数和(自身を除く): 29652760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 67391, 134782, 269564, 336955, 471737, 539128, 673910, 943474, 1347820, 1886948, 2358685, 2695640, 3773896, 4717370, 9434740, 18869480]

約数ペア:

[(1, 18869480), (2, 9434740), (4, 4717370), (5, 3773896), (7, 2695640), (8, 2358685), (10, 1886948), (14, 1347820), (20, 943474), (28, 673910), (35, 539128), (40, 471737), (56, 336955), (70, 269564), (140, 134782), (280, 67391)]