18987312

素因数分解:

$2^4\times 3^1\times {\mathrm{449}}^1\times {\mathrm{881}}^1$

素因数の和:1341

約数の個数: 40

約数和(自身を含む): 49215600

約数和(自身を除く): 30228288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 449, 881, 898, 1347, 1762, 1796, 2643, 2694, 3524, 3592, 5286, 5388, 7048, 7184, 10572, 10776, 14096, 21144, 21552, 42288, 395569, 791138, 1186707, 1582276, 2373414, 3164552, 4746828, 6329104, 9493656, 18987312]

約数ペア:

[(1, 18987312), (2, 9493656), (3, 6329104), (4, 4746828), (6, 3164552), (8, 2373414), (12, 1582276), (16, 1186707), (24, 791138), (48, 395569), (449, 42288), (881, 21552), (898, 21144), (1347, 14096), (1762, 10776), (1796, 10572), (2643, 7184), (2694, 7048), (3524, 5388), (3592, 5286)]