19426869

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 37547328

約数和(自身を除く): 18120459

約数列:

[1, 3, 7, 9, 11, 17, 21, 33, 51, 63, 77, 97, 99, 119, 153, 187, 231, 289, 291, 357, 561, 679, 693, 867, 873, 1067, 1071, 1309, 1649, 1683, 2023, 2037, 2601, 3179, 3201, 3927, 4947, 6069, 6111, 7469, 9537, 9603, 11543, 11781, 14841, 18139, 18207, 22253, 22407, 28033, 28611, 34629, 54417, 66759, 67221, 84099, 103887, 126973, 163251, 196231, 200277, 252297, 308363, 380919, 588693, 925089, 1142757, 1766079, 2158541, 2775267, 6475623, 19426869]

約数ペア:

[(1, 19426869), (3, 6475623), (7, 2775267), (9, 2158541), (11, 1766079), (17, 1142757), (21, 925089), (33, 588693), (51, 380919), (63, 308363), (77, 252297), (97, 200277), (99, 196231), (119, 163251), (153, 126973), (187, 103887), (231, 84099), (289, 67221), (291, 66759), (357, 54417), (561, 34629), (679, 28611), (693, 28033), (867, 22407), (873, 22253), (1067, 18207), (1071, 18139), (1309, 14841), (1649, 11781), (1683, 11543), (2023, 9603), (2037, 9537), (2601, 7469), (3179, 6111), (3201, 6069), (3927, 4947)]