19211864

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{6473}}^1$

素因数の和:6539

約数の個数: 32

約数和(自身を含む): 41951520

約数和(自身を除く): 22739656

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 6473, 12946, 25892, 45311, 51784, 90622, 181244, 343069, 362488, 686138, 1372276, 2401483, 2744552, 4802966, 9605932, 19211864]

約数ペア:

[(1, 19211864), (2, 9605932), (4, 4802966), (7, 2744552), (8, 2401483), (14, 1372276), (28, 686138), (53, 362488), (56, 343069), (106, 181244), (212, 90622), (371, 51784), (424, 45311), (742, 25892), (1484, 12946), (2968, 6473)]