19348707

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{683}}^1$

素因数の和:783

約数の個数: 32

約数和(自身を含む): 31518720

約数和(自身を除く): 12170013

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 683, 1349, 1491, 2049, 4047, 4781, 9443, 12977, 14343, 28329, 38931, 48493, 90839, 145479, 272517, 339451, 921367, 1018353, 2764101, 6449569, 19348707]

約数ペア:

[(1, 19348707), (3, 6449569), (7, 2764101), (19, 1018353), (21, 921367), (57, 339451), (71, 272517), (133, 145479), (213, 90839), (399, 48493), (497, 38931), (683, 28329), (1349, 14343), (1491, 12977), (2049, 9443), (4047, 4781)]