18429772

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{12763}}^1$

素因数の和:12805

約数の個数: 18

約数和(自身を含む): 34041588

約数和(自身を除く): 15611816

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 12763, 25526, 51052, 242497, 484994, 969988, 4607443, 9214886, 18429772]

約数ペア:

[(1, 18429772), (2, 9214886), (4, 4607443), (19, 969988), (38, 484994), (76, 242497), (361, 51052), (722, 25526), (1444, 12763)]