19736484

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1663}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 49201152

約数和(自身を除く): 29464668

約数列:

[1, 2, 3, 4, 6, 12, 23, 43, 46, 69, 86, 92, 129, 138, 172, 258, 276, 516, 989, 1663, 1978, 2967, 3326, 3956, 4989, 5934, 6652, 9978, 11868, 19956, 38249, 71509, 76498, 114747, 143018, 152996, 214527, 229494, 286036, 429054, 458988, 858108, 1644707, 3289414, 4934121, 6578828, 9868242, 19736484]

約数ペア:

[(1, 19736484), (2, 9868242), (3, 6578828), (4, 4934121), (6, 3289414), (12, 1644707), (23, 858108), (43, 458988), (46, 429054), (69, 286036), (86, 229494), (92, 214527), (129, 152996), (138, 143018), (172, 114747), (258, 76498), (276, 71509), (516, 38249), (989, 19956), (1663, 11868), (1978, 9978), (2967, 6652), (3326, 5934), (3956, 4989)]