19941446

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:464

約数の個数: 32

約数和(自身を含む): 35491392

約数和(自身を除く): 15549946

約数列:

[1, 2, 7, 14, 37, 74, 137, 259, 274, 281, 518, 562, 959, 1918, 1967, 3934, 5069, 10138, 10397, 20794, 35483, 38497, 70966, 72779, 76994, 145558, 269479, 538958, 1424389, 2848778, 9970723, 19941446]

約数ペア:

[(1, 19941446), (2, 9970723), (7, 2848778), (14, 1424389), (37, 538958), (74, 269479), (137, 145558), (259, 76994), (274, 72779), (281, 70966), (518, 38497), (562, 35483), (959, 20794), (1918, 10397), (1967, 10138), (3934, 5069)]