18288490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{166259}}^1$

素因数の和:166277

約数の個数: 16

約数和(自身を含む): 35912160

約数和(自身を除く): 17623670

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 166259, 332518, 831295, 1662590, 1828849, 3657698, 9144245, 18288490]

約数ペア:

[(1, 18288490), (2, 9144245), (5, 3657698), (10, 1828849), (11, 1662590), (22, 831295), (55, 332518), (110, 166259)]