19646396

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:530

約数の個数: 48

約数和(自身を含む): 43206912

約数和(自身を除く): 23560516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 227, 281, 308, 454, 562, 908, 1124, 1589, 1967, 2497, 3091, 3178, 3934, 4994, 6182, 6356, 7868, 9988, 12364, 17479, 21637, 34958, 43274, 63787, 69916, 86548, 127574, 255148, 446509, 701657, 893018, 1403314, 1786036, 2806628, 4911599, 9823198, 19646396]

約数ペア:

[(1, 19646396), (2, 9823198), (4, 4911599), (7, 2806628), (11, 1786036), (14, 1403314), (22, 893018), (28, 701657), (44, 446509), (77, 255148), (154, 127574), (227, 86548), (281, 69916), (308, 63787), (454, 43274), (562, 34958), (908, 21637), (1124, 17479), (1589, 12364), (1967, 9988), (2497, 7868), (3091, 6356), (3178, 6182), (3934, 4994)]