19458544

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2447}}^1$

素因数の和:2533

約数の個数: 40

約数和(自身を含む): 43711488

約数和(自身を除く): 24252944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 112, 142, 284, 497, 568, 994, 1136, 1988, 2447, 3976, 4894, 7952, 9788, 17129, 19576, 34258, 39152, 68516, 137032, 173737, 274064, 347474, 694948, 1216159, 1389896, 2432318, 2779792, 4864636, 9729272, 19458544]

約数ペア:

[(1, 19458544), (2, 9729272), (4, 4864636), (7, 2779792), (8, 2432318), (14, 1389896), (16, 1216159), (28, 694948), (56, 347474), (71, 274064), (112, 173737), (142, 137032), (284, 68516), (497, 39152), (568, 34258), (994, 19576), (1136, 17129), (1988, 9788), (2447, 7952), (3976, 4894)]