19964241

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{479}}^1$

素因数の和:917

約数の個数: 24

約数和(自身を含む): 31599360

約数和(自身を除く): 11635119

約数列:

[1, 3, 9, 11, 33, 99, 421, 479, 1263, 1437, 3789, 4311, 4631, 5269, 13893, 15807, 41679, 47421, 201659, 604977, 1814931, 2218249, 6654747, 19964241]

約数ペア:

[(1, 19964241), (3, 6654747), (9, 2218249), (11, 1814931), (33, 604977), (99, 201659), (421, 47421), (479, 41679), (1263, 15807), (1437, 13893), (3789, 5269), (4311, 4631)]