19948138

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{3947}}^1$

素因数の和:3994

約数の個数: 24

約数和(自身を含む): 36100512

約数和(自身を除く): 16152374

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 3947, 5054, 7894, 27629, 55258, 74993, 149986, 524951, 1049902, 1424867, 2849734, 9974069, 19948138]

約数ペア:

[(1, 19948138), (2, 9974069), (7, 2849734), (14, 1424867), (19, 1049902), (38, 524951), (133, 149986), (266, 74993), (361, 55258), (722, 27629), (2527, 7894), (3947, 5054)]