19391001

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2113}}^1$

素因数の和:2165

約数の個数: 32

約数和(自身を含む): 32471040

約数和(自身を除く): 13080039

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 133, 161, 399, 437, 483, 1311, 2113, 3059, 6339, 9177, 14791, 40147, 44373, 48599, 120441, 145797, 281029, 340193, 843087, 923381, 1020579, 2770143, 6463667, 19391001]

約数ペア:

[(1, 19391001), (3, 6463667), (7, 2770143), (19, 1020579), (21, 923381), (23, 843087), (57, 340193), (69, 281029), (133, 145797), (161, 120441), (399, 48599), (437, 44373), (483, 40147), (1311, 14791), (2113, 9177), (3059, 6339)]