17916580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{81439}}^1$

素因数の和:81459

約数の個数: 24

約数和(自身を含む): 41045760

約数和(自身を除く): 23129180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 81439, 162878, 325756, 407195, 814390, 895829, 1628780, 1791658, 3583316, 4479145, 8958290, 17916580]

約数ペア:

[(1, 17916580), (2, 8958290), (4, 4479145), (5, 3583316), (10, 1791658), (11, 1628780), (20, 895829), (22, 814390), (44, 407195), (55, 325756), (110, 162878), (220, 81439)]