19239963

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 28089600

約数和(自身を除く): 8849637

約数列:

[1, 3, 29, 37, 43, 87, 111, 129, 139, 417, 1073, 1247, 1591, 3219, 3741, 4031, 4773, 5143, 5977, 12093, 15429, 17931, 46139, 138417, 149147, 173333, 221149, 447441, 519999, 663447, 6413321, 19239963]

約数ペア:

[(1, 19239963), (3, 6413321), (29, 663447), (37, 519999), (43, 447441), (87, 221149), (111, 173333), (129, 149147), (139, 138417), (417, 46139), (1073, 17931), (1247, 15429), (1591, 12093), (3219, 5977), (3741, 5143), (4031, 4773)]