16817185

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{19}}^2$

素因数の和:83

約数の個数: 48

約数和(自身を含む): 26773632

約数和(自身を除く): 9956447

約数列:

[1, 5, 7, 11, 19, 35, 55, 77, 95, 121, 133, 209, 361, 385, 605, 665, 847, 1045, 1331, 1463, 1805, 2299, 2527, 3971, 4235, 6655, 7315, 9317, 11495, 12635, 16093, 19855, 25289, 27797, 43681, 46585, 80465, 126445, 138985, 177023, 218405, 305767, 480491, 885115, 1528835, 2402455, 3363437, 16817185]

約数ペア:

[(1, 16817185), (5, 3363437), (7, 2402455), (11, 1528835), (19, 885115), (35, 480491), (55, 305767), (77, 218405), (95, 177023), (121, 138985), (133, 126445), (209, 80465), (361, 46585), (385, 43681), (605, 27797), (665, 25289), (847, 19855), (1045, 16093), (1331, 12635), (1463, 11495), (1805, 9317), (2299, 7315), (2527, 6655), (3971, 4235)]