19764628

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{8087}}^1$

素因数の和:8151

約数の個数: 24

約数和(自身を含む): 38045952

約数和(自身を除く): 18281324

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 188, 611, 1222, 2444, 8087, 16174, 32348, 105131, 210262, 380089, 420524, 760178, 1520356, 4941157, 9882314, 19764628]

約数ペア:

[(1, 19764628), (2, 9882314), (4, 4941157), (13, 1520356), (26, 760178), (47, 420524), (52, 380089), (94, 210262), (188, 105131), (611, 32348), (1222, 16174), (2444, 8087)]