18371871

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:476

約数の個数: 48

約数和(自身を含む): 32747520

約数和(自身を除く): 14375649

約数列:

[1, 3, 7, 9, 21, 23, 31, 63, 69, 93, 161, 207, 217, 279, 409, 483, 651, 713, 1227, 1449, 1953, 2139, 2863, 3681, 4991, 6417, 8589, 9407, 12679, 14973, 25767, 28221, 38037, 44919, 65849, 84663, 88753, 114111, 197547, 266259, 291617, 592641, 798777, 874851, 2041319, 2624553, 6123957, 18371871]

約数ペア:

[(1, 18371871), (3, 6123957), (7, 2624553), (9, 2041319), (21, 874851), (23, 798777), (31, 592641), (63, 291617), (69, 266259), (93, 197547), (161, 114111), (207, 88753), (217, 84663), (279, 65849), (409, 44919), (483, 38037), (651, 28221), (713, 25767), (1227, 14973), (1449, 12679), (1953, 9407), (2139, 8589), (2863, 6417), (3681, 4991)]