19421883

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{55333}}^1$

素因数の和:55355

約数の個数: 16

約数和(自身を含む): 30987040

約数和(自身を除く): 11565157

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 55333, 165999, 497997, 719329, 1493991, 2157987, 6473961, 19421883]

約数ペア:

[(1, 19421883), (3, 6473961), (9, 2157987), (13, 1493991), (27, 719329), (39, 497997), (117, 165999), (351, 55333)]