19198629

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{569}}^1$

素因数の和:761

約数の個数: 24

約数和(自身を含む): 29165760

約数和(自身を除く): 9967131

約数列:

[1, 3, 9, 23, 69, 163, 207, 489, 569, 1467, 1707, 3749, 5121, 11247, 13087, 33741, 39261, 92747, 117783, 278241, 834723, 2133181, 6399543, 19198629]

約数ペア:

[(1, 19198629), (3, 6399543), (9, 2133181), (23, 834723), (69, 278241), (163, 117783), (207, 92747), (489, 39261), (569, 33741), (1467, 13087), (1707, 11247), (3749, 5121)]