18128912

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{11681}}^1$

素因数の和:11786

約数の個数: 20

約数和(自身を含む): 35489916

約数和(自身を除く): 17361004

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 11681, 23362, 46724, 93448, 186896, 1133057, 2266114, 4532228, 9064456, 18128912]

約数ペア:

[(1, 18128912), (2, 9064456), (4, 4532228), (8, 2266114), (16, 1133057), (97, 186896), (194, 93448), (388, 46724), (776, 23362), (1552, 11681)]