18508728693

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{225241}}^1$

素因数の和:225314

約数の個数: 48

約数和(自身を含む): 31634788416

約数和(自身を除く): 13126059723

約数列:

[1, 3, 7, 13, 21, 39, 43, 49, 91, 129, 147, 273, 301, 559, 637, 903, 1677, 1911, 2107, 3913, 6321, 11739, 27391, 82173, 225241, 675723, 1576687, 2928133, 4730061, 8784399, 9685363, 11036809, 20496931, 29056089, 33110427, 61490793, 67797541, 125909719, 143478517, 203392623, 377729157, 430435551, 474582787, 881368033, 1423748361, 2644104099, 6169576231, 18508728693]

約数ペア:

[(1, 18508728693), (3, 6169576231), (7, 2644104099), (13, 1423748361), (21, 881368033), (39, 474582787), (43, 430435551), (49, 377729157), (91, 203392623), (129, 143478517), (147, 125909719), (273, 67797541), (301, 61490793), (559, 33110427), (637, 29056089), (903, 20496931), (1677, 11036809), (1911, 9685363), (2107, 8784399), (3913, 4730061), (6321, 2928133), (11739, 1576687), (27391, 675723), (82173, 225241)]