18987250

素因数分解:

$2^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{1433}}^1$

素因数の和:1503

約数の個数: 32

約数和(自身を含む): 36240048

約数和(自身を除く): 17252798

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 125, 250, 265, 530, 1325, 1433, 2650, 2866, 6625, 7165, 13250, 14330, 35825, 71650, 75949, 151898, 179125, 358250, 379745, 759490, 1898725, 3797450, 9493625, 18987250]

約数ペア:

[(1, 18987250), (2, 9493625), (5, 3797450), (10, 1898725), (25, 759490), (50, 379745), (53, 358250), (106, 179125), (125, 151898), (250, 75949), (265, 71650), (530, 35825), (1325, 14330), (1433, 13250), (2650, 7165), (2866, 6625)]