18639885

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{653}}^1$

素因数の和:845

約数の個数: 32

約数和(自身を含む): 32773248

約数和(自身を除く): 14133363

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 173, 519, 653, 865, 1903, 1959, 2595, 3265, 5709, 7183, 9515, 9795, 21549, 28545, 35915, 107745, 112969, 338907, 564845, 1242659, 1694535, 3727977, 6213295, 18639885]

約数ペア:

[(1, 18639885), (3, 6213295), (5, 3727977), (11, 1694535), (15, 1242659), (33, 564845), (55, 338907), (165, 112969), (173, 107745), (519, 35915), (653, 28545), (865, 21549), (1903, 9795), (1959, 9515), (2595, 7183), (3265, 5709)]