18221548

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{811}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 32944464

約数和(自身を除く): 14722916

約数列:

[1, 2, 4, 41, 82, 137, 164, 274, 548, 811, 1622, 3244, 5617, 11234, 22468, 33251, 66502, 111107, 133004, 222214, 444428, 4555387, 9110774, 18221548]

約数ペア:

[(1, 18221548), (2, 9110774), (4, 4555387), (41, 444428), (82, 222214), (137, 133004), (164, 111107), (274, 66502), (548, 33251), (811, 22468), (1622, 11234), (3244, 5617)]