18672687

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1103}}^1$

素因数の和:1145

約数の個数: 40

約数和(自身を含む): 32060160

約数和(自身を除く): 13387473

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 513, 627, 891, 1103, 1539, 1881, 3309, 5643, 9927, 12133, 16929, 20957, 29781, 36399, 62871, 89343, 109197, 188613, 230527, 327591, 565839, 691581, 982773, 1697517, 2074743, 6224229, 18672687]

約数ペア:

[(1, 18672687), (3, 6224229), (9, 2074743), (11, 1697517), (19, 982773), (27, 691581), (33, 565839), (57, 327591), (81, 230527), (99, 188613), (171, 109197), (209, 89343), (297, 62871), (513, 36399), (627, 29781), (891, 20957), (1103, 16929), (1539, 12133), (1881, 9927), (3309, 5643)]