18537860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84263}}^1$

素因数の和:84283

約数の個数: 24

約数和(自身を含む): 42469056

約数和(自身を除く): 23931196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84263, 168526, 337052, 421315, 842630, 926893, 1685260, 1853786, 3707572, 4634465, 9268930, 18537860]

約数ペア:

[(1, 18537860), (2, 9268930), (4, 4634465), (5, 3707572), (10, 1853786), (11, 1685260), (20, 926893), (22, 842630), (44, 421315), (55, 337052), (110, 168526), (220, 84263)]