18828662

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{761}}^1$

素因数の和:991

約数の個数: 16

約数和(自身を含む): 28803600

約数和(自身を除く): 9974938

約数列:

[1, 2, 89, 139, 178, 278, 761, 1522, 12371, 24742, 67729, 105779, 135458, 211558, 9414331, 18828662]

約数ペア:

[(1, 18828662), (2, 9414331), (89, 211558), (139, 135458), (178, 105779), (278, 67729), (761, 24742), (1522, 12371)]