18788004

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4243}}^1$

素因数の和:4297

約数の個数: 48

約数和(自身を含む): 49909440

約数和(自身を除く): 31121436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4243, 4428, 8486, 12729, 16972, 25458, 38187, 50916, 76374, 114561, 152748, 173963, 229122, 347926, 458244, 521889, 695852, 1043778, 1565667, 2087556, 3131334, 4697001, 6262668, 9394002, 18788004]

約数ペア:

[(1, 18788004), (2, 9394002), (3, 6262668), (4, 4697001), (6, 3131334), (9, 2087556), (12, 1565667), (18, 1043778), (27, 695852), (36, 521889), (41, 458244), (54, 347926), (82, 229122), (108, 173963), (123, 152748), (164, 114561), (246, 76374), (369, 50916), (492, 38187), (738, 25458), (1107, 16972), (1476, 12729), (2214, 8486), (4243, 4428)]