19162781

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{239}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 21669120

約数和(自身を除く): 2506339

約数列:

[1, 11, 37, 197, 239, 407, 2167, 2629, 7289, 8843, 47083, 80179, 97273, 517913, 1742071, 19162781]

約数ペア:

[(1, 19162781), (11, 1742071), (37, 517913), (197, 97273), (239, 80179), (407, 47083), (2167, 8843), (2629, 7289)]