18745780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{49331}}^1$

素因数の和:49359

約数の個数: 24

約数和(自身を含む): 41438880

約数和(自身を除く): 22693100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 49331, 98662, 197324, 246655, 493310, 937289, 986620, 1874578, 3749156, 4686445, 9372890, 18745780]

約数ペア:

[(1, 18745780), (2, 9372890), (4, 4686445), (5, 3749156), (10, 1874578), (19, 986620), (20, 937289), (38, 493310), (76, 246655), (95, 197324), (190, 98662), (380, 49331)]