18206636

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{4889}}^1$

素因数の和:4926

約数の個数: 36

約数和(自身を含む): 39022200

約数和(自身を除く): 20815564

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 4889, 9778, 19556, 34223, 68446, 92891, 136892, 185782, 239561, 371564, 479122, 650237, 958244, 1300474, 2600948, 4551659, 9103318, 18206636]

約数ペア:

[(1, 18206636), (2, 9103318), (4, 4551659), (7, 2600948), (14, 1300474), (19, 958244), (28, 650237), (38, 479122), (49, 371564), (76, 239561), (98, 185782), (133, 136892), (196, 92891), (266, 68446), (532, 34223), (931, 19556), (1862, 9778), (3724, 4889)]