18521210

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{80527}}^1$

素因数の和:80557

約数の個数: 16

約数和(自身を含む): 34788096

約数和(自身を除く): 16266886

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 80527, 161054, 402635, 805270, 1852121, 3704242, 9260605, 18521210]

約数ペア:

[(1, 18521210), (2, 9260605), (5, 3704242), (10, 1852121), (23, 805270), (46, 402635), (115, 161054), (230, 80527)]