18725936

素因数分解:

$2^4\times {\mathrm{991}}^1\times {\mathrm{1181}}^1$

素因数の和:2180

約数の個数: 20

約数和(自身を含む): 36348864

約数和(自身を除く): 17622928

約数列:

[1, 2, 4, 8, 16, 991, 1181, 1982, 2362, 3964, 4724, 7928, 9448, 15856, 18896, 1170371, 2340742, 4681484, 9362968, 18725936]

約数ペア:

[(1, 18725936), (2, 9362968), (4, 4681484), (8, 2340742), (16, 1170371), (991, 18896), (1181, 15856), (1982, 9448), (2362, 7928), (3964, 4724)]