19997253

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2293}}^1$

素因数の和:2338

約数の個数: 32

約数和(自身を含む): 33033600

約数和(自身を除く): 13036347

約数列:

[1, 3, 9, 17, 19, 27, 51, 57, 153, 171, 323, 459, 513, 969, 2293, 2907, 6879, 8721, 20637, 38981, 43567, 61911, 116943, 130701, 350829, 392103, 740639, 1052487, 1176309, 2221917, 6665751, 19997253]

約数ペア:

[(1, 19997253), (3, 6665751), (9, 2221917), (17, 1176309), (19, 1052487), (27, 740639), (51, 392103), (57, 350829), (153, 130701), (171, 116943), (323, 61911), (459, 43567), (513, 38981), (969, 20637), (2293, 8721), (2907, 6879)]