18476757

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 24

約数和(自身を含む): 29120000

約数和(自身を除く): 10643243

約数列:

[1, 3, 9, 13, 39, 79, 117, 237, 711, 1027, 1999, 3081, 5997, 9243, 17991, 25987, 77961, 157921, 233883, 473763, 1421289, 2052973, 6158919, 18476757]

約数ペア:

[(1, 18476757), (3, 6158919), (9, 2052973), (13, 1421289), (39, 473763), (79, 233883), (117, 157921), (237, 77961), (711, 25987), (1027, 17991), (1999, 9243), (3081, 5997)]