19409900

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{2897}}^1$

素因数の和:2978

約数の個数: 36

約数和(自身を含む): 42762888

約数和(自身を除く): 23352988

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 670, 1340, 1675, 2897, 3350, 5794, 6700, 11588, 14485, 28970, 57940, 72425, 144850, 194099, 289700, 388198, 776396, 970495, 1940990, 3881980, 4852475, 9704950, 19409900]

約数ペア:

[(1, 19409900), (2, 9704950), (4, 4852475), (5, 3881980), (10, 1940990), (20, 970495), (25, 776396), (50, 388198), (67, 289700), (100, 194099), (134, 144850), (268, 72425), (335, 57940), (670, 28970), (1340, 14485), (1675, 11588), (2897, 6700), (3350, 5794)]