19732581

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{5387}}^1$

素因数の和:5441

約数の個数: 24

約数和(自身を含む): 31940064

約数和(自身を除く): 12207483

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 3663, 5387, 16161, 48483, 59257, 177771, 199319, 533313, 597957, 1793871, 2192509, 6577527, 19732581]

約数ペア:

[(1, 19732581), (3, 6577527), (9, 2192509), (11, 1793871), (33, 597957), (37, 533313), (99, 199319), (111, 177771), (333, 59257), (407, 48483), (1221, 16161), (3663, 5387)]