19380387

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{761}}^1$

素因数の和:1430

約数の個数: 16

約数和(自身を含む): 27907488

約数和(自身を除く): 8527101

約数列:

[1, 3, 13, 39, 653, 761, 1959, 2283, 8489, 9893, 25467, 29679, 496933, 1490799, 6460129, 19380387]

約数ペア:

[(1, 19380387), (3, 6460129), (13, 1490799), (39, 496933), (653, 29679), (761, 25467), (1959, 9893), (2283, 8489)]