18251649

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17333}}^1$

素因数の和:17358

約数の個数: 20

約数和(自身を含む): 29363796

約数和(自身を除く): 11112147

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17333, 51999, 155997, 225329, 467991, 675987, 1403973, 2027961, 6083883, 18251649]

約数ペア:

[(1, 18251649), (3, 6083883), (9, 2027961), (13, 1403973), (27, 675987), (39, 467991), (81, 225329), (117, 155997), (351, 51999), (1053, 17333)]