19185687

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{251}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 30240000

約数和(自身を除く): 11054313

約数列:

[1, 3, 9, 19, 27, 57, 149, 171, 251, 447, 513, 753, 1341, 2259, 2831, 4023, 4769, 6777, 8493, 14307, 25479, 37399, 42921, 76437, 112197, 128763, 336591, 710581, 1009773, 2131743, 6395229, 19185687]

約数ペア:

[(1, 19185687), (3, 6395229), (9, 2131743), (19, 1009773), (27, 710581), (57, 336591), (149, 128763), (171, 112197), (251, 76437), (447, 42921), (513, 37399), (753, 25479), (1341, 14307), (2259, 8493), (2831, 6777), (4023, 4769)]