19167759

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{167}}^1$

素因数の和:301

約数の個数: 40

約数和(自身を含む): 31305120

約数和(自身を除く): 12137361

約数列:

[1, 3, 9, 13, 27, 39, 81, 109, 117, 167, 327, 351, 501, 981, 1053, 1417, 1503, 2171, 2943, 4251, 4509, 6513, 8829, 12753, 13527, 18203, 19539, 38259, 54609, 58617, 114777, 163827, 175851, 236639, 491481, 709917, 1474443, 2129751, 6389253, 19167759]

約数ペア:

[(1, 19167759), (3, 6389253), (9, 2129751), (13, 1474443), (27, 709917), (39, 491481), (81, 236639), (109, 175851), (117, 163827), (167, 114777), (327, 58617), (351, 54609), (501, 38259), (981, 19539), (1053, 18203), (1417, 13527), (1503, 12753), (2171, 8829), (2943, 6513), (4251, 4509)]