19777233

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{97}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 33069120

約数和(自身を除く): 13291887

約数列:

[1, 3, 7, 19, 21, 49, 57, 73, 97, 133, 147, 219, 291, 399, 511, 679, 931, 1387, 1533, 1843, 2037, 2793, 3577, 4161, 4753, 5529, 7081, 9709, 10731, 12901, 14259, 21243, 29127, 38703, 49567, 67963, 90307, 134539, 148701, 203889, 270921, 346969, 403617, 941773, 1040907, 2825319, 6592411, 19777233]

約数ペア:

[(1, 19777233), (3, 6592411), (7, 2825319), (19, 1040907), (21, 941773), (49, 403617), (57, 346969), (73, 270921), (97, 203889), (133, 148701), (147, 134539), (219, 90307), (291, 67963), (399, 49567), (511, 38703), (679, 29127), (931, 21243), (1387, 14259), (1533, 12901), (1843, 10731), (2037, 9709), (2793, 7081), (3577, 5529), (4161, 4753)]