19596280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{44537}}^1$

素因数の和:44559

約数の個数: 32

約数和(自身を含む): 48101040

約数和(自身を除く): 28504760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 44537, 89074, 178148, 222685, 356296, 445370, 489907, 890740, 979814, 1781480, 1959628, 2449535, 3919256, 4899070, 9798140, 19596280]

約数ペア:

[(1, 19596280), (2, 9798140), (4, 4899070), (5, 3919256), (8, 2449535), (10, 1959628), (11, 1781480), (20, 979814), (22, 890740), (40, 489907), (44, 445370), (55, 356296), (88, 222685), (110, 178148), (220, 89074), (440, 44537)]