19502516

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{8363}}^1$

素因数の和:8431

約数の個数: 24

約数和(自身を含む): 37939104

約数和(自身を除く): 18436588

約数列:

[1, 2, 4, 11, 22, 44, 53, 106, 212, 583, 1166, 2332, 8363, 16726, 33452, 91993, 183986, 367972, 443239, 886478, 1772956, 4875629, 9751258, 19502516]

約数ペア:

[(1, 19502516), (2, 9751258), (4, 4875629), (11, 1772956), (22, 886478), (44, 443239), (53, 367972), (106, 183986), (212, 91993), (583, 33452), (1166, 16726), (2332, 8363)]