18991048

素因数分解:

$2^3\times {\mathrm{97}}^1\times {\mathrm{24473}}^1$

素因数の和:24576

約数の個数: 16

約数和(自身を含む): 35976780

約数和(自身を除く): 16985732

約数列:

[1, 2, 4, 8, 97, 194, 388, 776, 24473, 48946, 97892, 195784, 2373881, 4747762, 9495524, 18991048]

約数ペア:

[(1, 18991048), (2, 9495524), (4, 4747762), (8, 2373881), (97, 195784), (194, 97892), (388, 48946), (776, 24473)]