19727510

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{9439}}^1$

素因数の和:9476

約数の個数: 32

約数和(自身を含む): 40780800

約数和(自身を除く): 21053290

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 9439, 18878, 47195, 94390, 103829, 179341, 207658, 358682, 519145, 896705, 1038290, 1793410, 1972751, 3945502, 9863755, 19727510]

約数ペア:

[(1, 19727510), (2, 9863755), (5, 3945502), (10, 1972751), (11, 1793410), (19, 1038290), (22, 896705), (38, 519145), (55, 358682), (95, 207658), (110, 179341), (190, 103829), (209, 94390), (418, 47195), (1045, 18878), (2090, 9439)]