19188621

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{179}}^1\times {\mathrm{277}}^1$

素因数の和:505

約数の個数: 24

約数和(自身を含む): 28622880

約数和(自身を除く): 9434259

約数列:

[1, 3, 9, 43, 129, 179, 277, 387, 537, 831, 1611, 2493, 7697, 11911, 23091, 35733, 49583, 69273, 107199, 148749, 446247, 2132069, 6396207, 19188621]

約数ペア:

[(1, 19188621), (3, 6396207), (9, 2132069), (43, 446247), (129, 148749), (179, 107199), (277, 69273), (387, 49583), (537, 35733), (831, 23091), (1611, 11911), (2493, 7697)]