18420363

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{503}}^1$

素因数の和:835

約数の個数: 24

約数和(自身を含む): 28802592

約数和(自身を除く): 10382229

約数列:

[1, 3, 9, 13, 39, 117, 313, 503, 939, 1509, 2817, 4069, 4527, 6539, 12207, 19617, 36621, 58851, 157439, 472317, 1416951, 2046707, 6140121, 18420363]

約数ペア:

[(1, 18420363), (3, 6140121), (9, 2046707), (13, 1416951), (39, 472317), (117, 157439), (313, 58851), (503, 36621), (939, 19617), (1509, 12207), (2817, 6539), (4069, 4527)]