18212013

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:430

約数の個数: 32

約数和(自身を含む): 28723200

約数和(自身を除く): 10511187

約数列:

[1, 3, 9, 19, 27, 57, 131, 171, 271, 393, 513, 813, 1179, 2439, 2489, 3537, 5149, 7317, 7467, 15447, 22401, 35501, 46341, 67203, 106503, 139023, 319509, 674519, 958527, 2023557, 6070671, 18212013]

約数ペア:

[(1, 18212013), (3, 6070671), (9, 2023557), (19, 958527), (27, 674519), (57, 319509), (131, 139023), (171, 106503), (271, 67203), (393, 46341), (513, 35501), (813, 22401), (1179, 15447), (2439, 7467), (2489, 7317), (3537, 5149)]