18790370

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{22639}}^1$

素因数の和:22729

約数の個数: 16

約数和(自身を含む): 34231680

約数和(自身を除く): 15441310

約数列:

[1, 2, 5, 10, 83, 166, 415, 830, 22639, 45278, 113195, 226390, 1879037, 3758074, 9395185, 18790370]

約数ペア:

[(1, 18790370), (2, 9395185), (5, 3758074), (10, 1879037), (83, 226390), (166, 113195), (415, 45278), (830, 22639)]