18418401

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:334

約数の個数: 32

約数和(自身を含む): 28391040

約数和(自身を除く): 9972639

約数列:

[1, 3, 9, 27, 53, 61, 159, 183, 211, 477, 549, 633, 1431, 1647, 1899, 3233, 5697, 9699, 11183, 12871, 29097, 33549, 38613, 87291, 100647, 115839, 301941, 347517, 682163, 2046489, 6139467, 18418401]

約数ペア:

[(1, 18418401), (3, 6139467), (9, 2046489), (27, 682163), (53, 347517), (61, 301941), (159, 115839), (183, 100647), (211, 87291), (477, 38613), (549, 33549), (633, 29097), (1431, 12871), (1647, 11183), (1899, 9699), (3233, 5697)]