19642012

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{7127}}^1$

素因数の和:7197

約数の個数: 24

約数和(自身を含む): 37721376

約数和(自身を除く): 18079364

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 7127, 14254, 28508, 92651, 185302, 370604, 377731, 755462, 1510924, 4910503, 9821006, 19642012]

約数ペア:

[(1, 19642012), (2, 9821006), (4, 4910503), (13, 1510924), (26, 755462), (52, 377731), (53, 370604), (106, 185302), (212, 92651), (689, 28508), (1378, 14254), (2756, 7127)]