18439700

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{1901}}^1$

素因数の和:2012

約数の個数: 36

約数和(自身を含む): 40447932

約数和(自身を除く): 22008232

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1901, 1940, 2425, 3802, 4850, 7604, 9505, 9700, 19010, 38020, 47525, 95050, 184397, 190100, 368794, 737588, 921985, 1843970, 3687940, 4609925, 9219850, 18439700]

約数ペア:

[(1, 18439700), (2, 9219850), (4, 4609925), (5, 3687940), (10, 1843970), (20, 921985), (25, 737588), (50, 368794), (97, 190100), (100, 184397), (194, 95050), (388, 47525), (485, 38020), (970, 19010), (1901, 9700), (1940, 9505), (2425, 7604), (3802, 4850)]