18285908

素因数分解:

$2^2\times {\mathrm{31}}^2\times {\mathrm{67}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 36

約数和(自身を含む): 34032096

約数和(自身を除く): 15746188

約数列:

[1, 2, 4, 31, 62, 67, 71, 124, 134, 142, 268, 284, 961, 1922, 2077, 2201, 3844, 4154, 4402, 4757, 8308, 8804, 9514, 19028, 64387, 68231, 128774, 136462, 147467, 257548, 272924, 294934, 589868, 4571477, 9142954, 18285908]

約数ペア:

[(1, 18285908), (2, 9142954), (4, 4571477), (31, 589868), (62, 294934), (67, 272924), (71, 257548), (124, 147467), (134, 136462), (142, 128774), (268, 68231), (284, 64387), (961, 19028), (1922, 9514), (2077, 8804), (2201, 8308), (3844, 4757), (4154, 4402)]