19122741

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{461}}^1$

素因数の和:897

約数の個数: 24

約数和(自身を含む): 30270240

約数和(自身を除く): 11147499

約数列:

[1, 3, 9, 11, 33, 99, 419, 461, 1257, 1383, 3771, 4149, 4609, 5071, 13827, 15213, 41481, 45639, 193159, 579477, 1738431, 2124749, 6374247, 19122741]

約数ペア:

[(1, 19122741), (3, 6374247), (9, 2124749), (11, 1738431), (33, 579477), (99, 193159), (419, 45639), (461, 41481), (1257, 15213), (1383, 13827), (3771, 5071), (4149, 4609)]