18486544

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{60811}}^1$

素因数の和:60838

約数の個数: 20

約数和(自身を含む): 37703440

約数和(自身を除く): 19216896

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 60811, 121622, 243244, 486488, 972976, 1155409, 2310818, 4621636, 9243272, 18486544]

約数ペア:

[(1, 18486544), (2, 9243272), (4, 4621636), (8, 2310818), (16, 1155409), (19, 972976), (38, 486488), (76, 243244), (152, 121622), (304, 60811)]