19394956

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1$

素因数の和:338

約数の個数: 48

約数和(自身を含む): 40457536

約数和(自身を除く): 21062580

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 97, 148, 193, 194, 259, 386, 388, 518, 679, 772, 1036, 1351, 1358, 2702, 2716, 3589, 5404, 7141, 7178, 14282, 14356, 18721, 25123, 28564, 37442, 49987, 50246, 74884, 99974, 100492, 131047, 199948, 262094, 524188, 692677, 1385354, 2770708, 4848739, 9697478, 19394956]

約数ペア:

[(1, 19394956), (2, 9697478), (4, 4848739), (7, 2770708), (14, 1385354), (28, 692677), (37, 524188), (74, 262094), (97, 199948), (148, 131047), (193, 100492), (194, 99974), (259, 74884), (386, 50246), (388, 49987), (518, 37442), (679, 28564), (772, 25123), (1036, 18721), (1351, 14356), (1358, 14282), (2702, 7178), (2716, 7141), (3589, 5404)]