19657204

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{17123}}^1$

素因数の和:17175

約数の個数: 24

約数和(自身を含む): 40275648

約数和(自身を除く): 20618444

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 287, 574, 1148, 17123, 34246, 68492, 119861, 239722, 479444, 702043, 1404086, 2808172, 4914301, 9828602, 19657204]

約数ペア:

[(1, 19657204), (2, 9828602), (4, 4914301), (7, 2808172), (14, 1404086), (28, 702043), (41, 479444), (82, 239722), (164, 119861), (287, 68492), (574, 34246), (1148, 17123)]