19940003

素因数分解:

${\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 21348096

約数和(自身を除く): 1408093

約数列:

[1, 37, 43, 83, 151, 1591, 3071, 3569, 5587, 6493, 12533, 132053, 240241, 463721, 538919, 19940003]

約数ペア:

[(1, 19940003), (37, 538919), (43, 463721), (83, 240241), (151, 132053), (1591, 12533), (3071, 6493), (3569, 5587)]