19905186

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{12809}}^1$

素因数の和:12858

約数の個数: 32

約数和(自身を含む): 46730880

約数和(自身を除く): 26825694

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 12809, 25618, 38427, 76854, 89663, 179326, 268989, 473933, 537978, 947866, 1421799, 2843598, 3317531, 6635062, 9952593, 19905186]

約数ペア:

[(1, 19905186), (2, 9952593), (3, 6635062), (6, 3317531), (7, 2843598), (14, 1421799), (21, 947866), (37, 537978), (42, 473933), (74, 268989), (111, 179326), (222, 89663), (259, 76854), (518, 38427), (777, 25618), (1554, 12809)]