18155720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41263}}^1$

素因数の和:41285

約数の個数: 32

約数和(自身を含む): 44565120

約数和(自身を除く): 26409400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 41263, 82526, 165052, 206315, 330104, 412630, 453893, 825260, 907786, 1650520, 1815572, 2269465, 3631144, 4538930, 9077860, 18155720]

約数ペア:

[(1, 18155720), (2, 9077860), (4, 4538930), (5, 3631144), (8, 2269465), (10, 1815572), (11, 1650520), (20, 907786), (22, 825260), (40, 453893), (44, 412630), (55, 330104), (88, 206315), (110, 165052), (220, 82526), (440, 41263)]