19820595

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{787}}^1$

素因数の和:891

約数の個数: 32

約数和(自身を含む): 33587712

約数和(自身を除く): 13767117

約数列:

[1, 3, 5, 15, 23, 69, 73, 115, 219, 345, 365, 787, 1095, 1679, 2361, 3935, 5037, 8395, 11805, 18101, 25185, 54303, 57451, 90505, 172353, 271515, 287255, 861765, 1321373, 3964119, 6606865, 19820595]

約数ペア:

[(1, 19820595), (3, 6606865), (5, 3964119), (15, 1321373), (23, 861765), (69, 287255), (73, 271515), (115, 172353), (219, 90505), (345, 57451), (365, 54303), (787, 25185), (1095, 18101), (1679, 11805), (2361, 8395), (3935, 5037)]