18970672

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{1583}}^1$

素因数の和:1705

約数の個数: 40

約数和(自身を含む): 42425856

約数和(自身を除く): 23455184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1583, 1712, 2996, 3166, 5992, 6332, 11081, 11984, 12664, 22162, 25328, 44324, 88648, 169381, 177296, 338762, 677524, 1185667, 1355048, 2371334, 2710096, 4742668, 9485336, 18970672]

約数ペア:

[(1, 18970672), (2, 9485336), (4, 4742668), (7, 2710096), (8, 2371334), (14, 1355048), (16, 1185667), (28, 677524), (56, 338762), (107, 177296), (112, 169381), (214, 88648), (428, 44324), (749, 25328), (856, 22162), (1498, 12664), (1583, 11984), (1712, 11081), (2996, 6332), (3166, 5992)]