18729087

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 29883168

約数和(自身を除く): 11154081

約数列:

[1, 3, 13, 17, 39, 41, 51, 53, 123, 159, 169, 221, 507, 533, 663, 689, 697, 901, 1599, 2067, 2091, 2173, 2703, 2873, 6519, 6929, 8619, 8957, 9061, 11713, 20787, 26871, 27183, 28249, 35139, 36941, 84747, 110823, 117793, 152269, 353379, 367237, 456807, 480233, 1101711, 1440699, 6243029, 18729087]

約数ペア:

[(1, 18729087), (3, 6243029), (13, 1440699), (17, 1101711), (39, 480233), (41, 456807), (51, 367237), (53, 353379), (123, 152269), (159, 117793), (169, 110823), (221, 84747), (507, 36941), (533, 35139), (663, 28249), (689, 27183), (697, 26871), (901, 20787), (1599, 11713), (2067, 9061), (2091, 8957), (2173, 8619), (2703, 6929), (2873, 6519)]