18969681003

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{168247}}^1$

素因数の和:168336

約数の個数: 48

約数和(自身を含む): 32222856960

約数和(自身を除く): 13253175957

約数列:

[1, 3, 7, 13, 21, 39, 49, 59, 91, 147, 177, 273, 413, 637, 767, 1239, 1911, 2301, 2891, 5369, 8673, 16107, 37583, 112749, 168247, 504741, 1177729, 2187211, 3533187, 6561633, 8244103, 9926573, 15310477, 24732309, 29779719, 45931431, 69486011, 107173339, 129045449, 208458033, 321520017, 387136347, 486402077, 903318143, 1459206231, 2709954429, 6323227001, 18969681003]

約数ペア:

[(1, 18969681003), (3, 6323227001), (7, 2709954429), (13, 1459206231), (21, 903318143), (39, 486402077), (49, 387136347), (59, 321520017), (91, 208458033), (147, 129045449), (177, 107173339), (273, 69486011), (413, 45931431), (637, 29779719), (767, 24732309), (1239, 15310477), (1911, 9926573), (2301, 8244103), (2891, 6561633), (5369, 3533187), (8673, 2187211), (16107, 1177729), (37583, 504741), (112749, 168247)]