18939453

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{2713}}^1$

素因数の和:2908

約数の個数: 16

約数和(自身を含む): 27357120

約数和(自身を除く): 8417667

約数列:

[1, 3, 13, 39, 179, 537, 2327, 2713, 6981, 8139, 35269, 105807, 485627, 1456881, 6313151, 18939453]

約数ペア:

[(1, 18939453), (3, 6313151), (13, 1456881), (39, 485627), (179, 105807), (537, 35269), (2327, 8139), (2713, 6981)]