19533801

素因数分解:

$3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1601}}^1$

素因数の和:1701

約数の個数: 24

約数和(自身を含む): 30681504

約数和(自身を除く): 11147703

約数列:

[1, 3, 7, 21, 49, 83, 147, 249, 581, 1601, 1743, 4067, 4803, 11207, 12201, 33621, 78449, 132883, 235347, 398649, 930181, 2790543, 6511267, 19533801]

約数ペア:

[(1, 19533801), (3, 6511267), (7, 2790543), (21, 930181), (49, 398649), (83, 235347), (147, 132883), (249, 78449), (581, 33621), (1601, 12201), (1743, 11207), (4067, 4803)]