18975176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{3037}}^1$

素因数の和:3125

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 20397304

約数列:

[1, 2, 4, 8, 11, 22, 44, 71, 88, 142, 284, 568, 781, 1562, 3037, 3124, 6074, 6248, 12148, 24296, 33407, 66814, 133628, 215627, 267256, 431254, 862508, 1725016, 2371897, 4743794, 9487588, 18975176]

約数ペア:

[(1, 18975176), (2, 9487588), (4, 4743794), (8, 2371897), (11, 1725016), (22, 862508), (44, 431254), (71, 267256), (88, 215627), (142, 133628), (284, 66814), (568, 33407), (781, 24296), (1562, 12148), (3037, 6248), (3124, 6074)]