18239521100

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1880363}}^1$

素因数の和:1880474

約数の個数: 36

約数和(自身を含む): 39987820824

約数和(自身を除く): 21748299724

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 1880363, 3760726, 7521452, 9401815, 18803630, 37607260, 47009075, 94018150, 182395211, 188036300, 364790422, 729580844, 911976055, 1823952110, 3647904220, 4559880275, 9119760550, 18239521100]

約数ペア:

[(1, 18239521100), (2, 9119760550), (4, 4559880275), (5, 3647904220), (10, 1823952110), (20, 911976055), (25, 729580844), (50, 364790422), (97, 188036300), (100, 182395211), (194, 94018150), (388, 47009075), (485, 37607260), (970, 18803630), (1940, 9401815), (2425, 7521452), (4850, 3760726), (9700, 1880363)]