19161567355

素因数分解:

$5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{67481}}^1$

素因数の和:67580

約数の個数: 48

約数和(自身を含む): 28617766560

約数和(自身を除く): 9456199205

約数列:

[1, 5, 7, 19, 35, 49, 61, 95, 133, 245, 305, 427, 665, 931, 1159, 2135, 2989, 4655, 5795, 8113, 14945, 40565, 56791, 67481, 283955, 337405, 472367, 1282139, 2361835, 3306569, 4116341, 6410695, 8974973, 16532845, 20581705, 28814387, 44874865, 62824811, 78210479, 144071935, 201700709, 314124055, 391052395, 547473353, 1008503545, 2737366765, 3832313471, 19161567355]

約数ペア:

[(1, 19161567355), (5, 3832313471), (7, 2737366765), (19, 1008503545), (35, 547473353), (49, 391052395), (61, 314124055), (95, 201700709), (133, 144071935), (245, 78210479), (305, 62824811), (427, 44874865), (665, 28814387), (931, 20581705), (1159, 16532845), (2135, 8974973), (2989, 6410695), (4655, 4116341), (5795, 3306569), (8113, 2361835), (14945, 1282139), (40565, 472367), (56791, 337405), (67481, 283955)]