18650079

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{211}}^1$

素因数の和:308

約数の個数: 48

約数和(自身を含む): 32807424

約数和(自身を除く): 14157345

約数列:

[1, 3, 7, 9, 21, 23, 61, 63, 69, 161, 183, 207, 211, 427, 483, 549, 633, 1281, 1403, 1449, 1477, 1899, 3843, 4209, 4431, 4853, 9821, 12627, 12871, 13293, 14559, 29463, 33971, 38613, 43677, 88389, 90097, 101913, 115839, 270291, 296033, 305739, 810873, 888099, 2072231, 2664297, 6216693, 18650079]

約数ペア:

[(1, 18650079), (3, 6216693), (7, 2664297), (9, 2072231), (21, 888099), (23, 810873), (61, 305739), (63, 296033), (69, 270291), (161, 115839), (183, 101913), (207, 90097), (211, 88389), (427, 43677), (483, 38613), (549, 33971), (633, 29463), (1281, 14559), (1403, 13293), (1449, 12871), (1477, 12627), (1899, 9821), (3843, 4853), (4209, 4431)]