19405656

素因数分解:

$2^3\times 3^4\times {\mathrm{29947}}^1$

素因数の和:29965

約数の個数: 40

約数和(自身を含む): 54355620

約数和(自身を除く): 34949964

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 29947, 59894, 89841, 119788, 179682, 239576, 269523, 359364, 539046, 718728, 808569, 1078092, 1617138, 2156184, 2425707, 3234276, 4851414, 6468552, 9702828, 19405656]

約数ペア:

[(1, 19405656), (2, 9702828), (3, 6468552), (4, 4851414), (6, 3234276), (8, 2425707), (9, 2156184), (12, 1617138), (18, 1078092), (24, 808569), (27, 718728), (36, 539046), (54, 359364), (72, 269523), (81, 239576), (108, 179682), (162, 119788), (216, 89841), (324, 59894), (648, 29947)]