18938775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{10979}}^1$

素因数の和:11015

約数の個数: 24

約数和(自身を含む): 32676480

約数和(自身を除く): 13737705

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 10979, 32937, 54895, 164685, 252517, 274475, 757551, 823425, 1262585, 3787755, 6312925, 18938775]

約数ペア:

[(1, 18938775), (3, 6312925), (5, 3787755), (15, 1262585), (23, 823425), (25, 757551), (69, 274475), (75, 252517), (115, 164685), (345, 54895), (575, 32937), (1725, 10979)]