19081180

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8443}}^1$

素因数の和:8565

約数の個数: 24

約数和(自身を含む): 40429872

約数和(自身を除く): 21348692

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8443, 16886, 33772, 42215, 84430, 168860, 954059, 1908118, 3816236, 4770295, 9540590, 19081180]

約数ペア:

[(1, 19081180), (2, 9540590), (4, 4770295), (5, 3816236), (10, 1908118), (20, 954059), (113, 168860), (226, 84430), (452, 42215), (565, 33772), (1130, 16886), (2260, 8443)]