19043703

素因数分解:

$3^2\times 7^3\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 33280000

約数和(自身を除く): 14236297

約数列:

[1, 3, 7, 9, 21, 31, 49, 63, 93, 147, 199, 217, 279, 343, 441, 597, 651, 1029, 1393, 1519, 1791, 1953, 3087, 4179, 4557, 6169, 9751, 10633, 12537, 13671, 18507, 29253, 31899, 43183, 55521, 68257, 87759, 95697, 129549, 204771, 302281, 388647, 614313, 906843, 2115967, 2720529, 6347901, 19043703]

約数ペア:

[(1, 19043703), (3, 6347901), (7, 2720529), (9, 2115967), (21, 906843), (31, 614313), (49, 388647), (63, 302281), (93, 204771), (147, 129549), (199, 95697), (217, 87759), (279, 68257), (343, 55521), (441, 43183), (597, 31899), (651, 29253), (1029, 18507), (1393, 13671), (1519, 12537), (1791, 10633), (1953, 9751), (3087, 6169), (4179, 4557)]