18984947933

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{127}}^1\times {\mathrm{105199}}^1$

素因数の和:105369

約数の個数: 24

約数和(自身を含む): 23026176000

約数和(自身を除く): 4041228067

約数列:

[1, 7, 29, 49, 127, 203, 889, 1421, 3683, 6223, 25781, 105199, 180467, 736393, 3050771, 5154751, 13360273, 21355397, 93521911, 149487779, 387447917, 654653377, 2712135419, 18984947933]

約数ペア:

[(1, 18984947933), (7, 2712135419), (29, 654653377), (49, 387447917), (127, 149487779), (203, 93521911), (889, 21355397), (1421, 13360273), (3683, 5154751), (6223, 3050771), (25781, 736393), (105199, 180467)]