19142697

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^2$

素因数の和:142

約数の個数: 48

約数和(自身を含む): 32711040

約数和(自身を除く): 13568343

約数列:

[1, 3, 7, 17, 21, 29, 43, 51, 87, 119, 129, 203, 301, 357, 493, 609, 731, 903, 1247, 1479, 1849, 2193, 3451, 3741, 5117, 5547, 8729, 10353, 12943, 15351, 21199, 26187, 31433, 38829, 53621, 63597, 94299, 148393, 160863, 220031, 375347, 445179, 660093, 911557, 1126041, 2734671, 6380899, 19142697]

約数ペア:

[(1, 19142697), (3, 6380899), (7, 2734671), (17, 1126041), (21, 911557), (29, 660093), (43, 445179), (51, 375347), (87, 220031), (119, 160863), (129, 148393), (203, 94299), (301, 63597), (357, 53621), (493, 38829), (609, 31433), (731, 26187), (903, 21199), (1247, 15351), (1479, 12943), (1849, 10353), (2193, 8729), (3451, 5547), (3741, 5117)]