18117140

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12409}}^1$

素因数の和:12491

約数の個数: 24

約数和(自身を含む): 38570280

約数和(自身を除く): 20453140

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 12409, 24818, 49636, 62045, 124090, 248180, 905857, 1811714, 3623428, 4529285, 9058570, 18117140]

約数ペア:

[(1, 18117140), (2, 9058570), (4, 4529285), (5, 3623428), (10, 1811714), (20, 905857), (73, 248180), (146, 124090), (292, 62045), (365, 49636), (730, 24818), (1460, 12409)]