19231749

素因数分解:

$3^6\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1$

素因数の和:109

約数の個数: 56

約数和(自身を含む): 31898112

約数和(自身を除く): 12666363

約数列:

[1, 3, 9, 23, 27, 31, 37, 69, 81, 93, 111, 207, 243, 279, 333, 621, 713, 729, 837, 851, 999, 1147, 1863, 2139, 2511, 2553, 2997, 3441, 5589, 6417, 7533, 7659, 8991, 10323, 16767, 19251, 22599, 22977, 26381, 26973, 30969, 57753, 68931, 79143, 92907, 173259, 206793, 237429, 278721, 519777, 620379, 712287, 836163, 2136861, 6410583, 19231749]

約数ペア:

[(1, 19231749), (3, 6410583), (9, 2136861), (23, 836163), (27, 712287), (31, 620379), (37, 519777), (69, 278721), (81, 237429), (93, 206793), (111, 173259), (207, 92907), (243, 79143), (279, 68931), (333, 57753), (621, 30969), (713, 26973), (729, 26381), (837, 22977), (851, 22599), (999, 19251), (1147, 16767), (1863, 10323), (2139, 8991), (2511, 7659), (2553, 7533), (2997, 6417), (3441, 5589)]