18996842979

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1276927}}^1$

素因数の和:1276984

約数の個数: 32

約数和(自身を含む): 30646272000

約数和(自身を除く): 11649429021

約数列:

[1, 3, 9, 19, 27, 29, 57, 87, 171, 261, 513, 551, 783, 1653, 4959, 14877, 1276927, 3830781, 11492343, 24261613, 34477029, 37030883, 72784839, 111092649, 218354517, 333277947, 655063551, 703586777, 999833841, 2110760331, 6332280993, 18996842979]

約数ペア:

[(1, 18996842979), (3, 6332280993), (9, 2110760331), (19, 999833841), (27, 703586777), (29, 655063551), (57, 333277947), (87, 218354517), (171, 111092649), (261, 72784839), (513, 37030883), (551, 34477029), (783, 24261613), (1653, 11492343), (4959, 3830781), (14877, 1276927)]