18996666

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10589}}^1$

素因数の和:10630

約数の個数: 32

約数和(自身を含む): 42698880

約数和(自身を除く): 23702214

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 10589, 21178, 31767, 63534, 137657, 243547, 275314, 412971, 487094, 730641, 825942, 1461282, 3166111, 6332222, 9498333, 18996666]

約数ペア:

[(1, 18996666), (2, 9498333), (3, 6332222), (6, 3166111), (13, 1461282), (23, 825942), (26, 730641), (39, 487094), (46, 412971), (69, 275314), (78, 243547), (138, 137657), (299, 63534), (598, 31767), (897, 21178), (1794, 10589)]