19691792

素因数分解:

$2^4\times {\mathrm{223}}^1\times {\mathrm{5519}}^1$

素因数の和:5750

約数の個数: 20

約数和(自身を含む): 38330880

約数和(自身を除く): 18639088

約数列:

[1, 2, 4, 8, 16, 223, 446, 892, 1784, 3568, 5519, 11038, 22076, 44152, 88304, 1230737, 2461474, 4922948, 9845896, 19691792]

約数ペア:

[(1, 19691792), (2, 9845896), (4, 4922948), (8, 2461474), (16, 1230737), (223, 88304), (446, 44152), (892, 22076), (1784, 11038), (3568, 5519)]