18105830

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78721}}^1$

素因数の和:78751

約数の個数: 16

約数和(自身を含む): 34007904

約数和(自身を除く): 15902074

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78721, 157442, 393605, 787210, 1810583, 3621166, 9052915, 18105830]

約数ペア:

[(1, 18105830), (2, 9052915), (5, 3621166), (10, 1810583), (23, 787210), (46, 393605), (115, 157442), (230, 78721)]