19522720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{17431}}^1$

素因数の和:17453

約数の個数: 48

約数和(自身を含む): 52714368

約数和(自身を除く): 33191648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 17431, 34862, 69724, 87155, 122017, 139448, 174310, 244034, 278896, 348620, 488068, 557792, 610085, 697240, 976136, 1220170, 1394480, 1952272, 2440340, 2788960, 3904544, 4880680, 9761360, 19522720]

約数ペア:

[(1, 19522720), (2, 9761360), (4, 4880680), (5, 3904544), (7, 2788960), (8, 2440340), (10, 1952272), (14, 1394480), (16, 1220170), (20, 976136), (28, 697240), (32, 610085), (35, 557792), (40, 488068), (56, 348620), (70, 278896), (80, 244034), (112, 174310), (140, 139448), (160, 122017), (224, 87155), (280, 69724), (560, 34862), (1120, 17431)]