19199511

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:293

約数の個数: 40

約数和(自身を含む): 30945024

約数和(自身を除く): 11745513

約数列:

[1, 3, 9, 17, 27, 51, 73, 81, 153, 191, 219, 459, 573, 657, 1241, 1377, 1719, 1971, 3247, 3723, 5157, 5913, 9741, 11169, 13943, 15471, 29223, 33507, 41829, 87669, 100521, 125487, 237031, 263007, 376461, 711093, 1129383, 2133279, 6399837, 19199511]

約数ペア:

[(1, 19199511), (3, 6399837), (9, 2133279), (17, 1129383), (27, 711093), (51, 376461), (73, 263007), (81, 237031), (153, 125487), (191, 100521), (219, 87669), (459, 41829), (573, 33507), (657, 29223), (1241, 15471), (1377, 13943), (1719, 11169), (1971, 9741), (3247, 5913), (3723, 5157)]