19490786

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:434

約数の個数: 32

約数和(自身を含む): 34670592

約数和(自身を除く): 15179806

約数列:

[1, 2, 7, 14, 37, 74, 191, 197, 259, 382, 394, 518, 1337, 1379, 2674, 2758, 7067, 7289, 14134, 14578, 37627, 49469, 51023, 75254, 98938, 102046, 263389, 526778, 1392199, 2784398, 9745393, 19490786]

約数ペア:

[(1, 19490786), (2, 9745393), (7, 2784398), (14, 1392199), (37, 526778), (74, 263389), (191, 102046), (197, 98938), (259, 75254), (382, 51023), (394, 49469), (518, 37627), (1337, 14578), (1379, 14134), (2674, 7289), (2758, 7067)]