18090190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{78653}}^1$

素因数の和:78683

約数の個数: 16

約数和(自身を含む): 33978528

約数和(自身を除く): 15888338

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 78653, 157306, 393265, 786530, 1809019, 3618038, 9045095, 18090190]

約数ペア:

[(1, 18090190), (2, 9045095), (5, 3618038), (10, 1809019), (23, 786530), (46, 393265), (115, 157306), (230, 78653)]