19655930

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{227}}^1\times {\mathrm{1237}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 40646016

約数和(自身を除く): 20990086

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 227, 454, 1135, 1237, 1589, 2270, 2474, 3178, 6185, 7945, 8659, 12370, 15890, 17318, 43295, 86590, 280799, 561598, 1403995, 1965593, 2807990, 3931186, 9827965, 19655930]

約数ペア:

[(1, 19655930), (2, 9827965), (5, 3931186), (7, 2807990), (10, 1965593), (14, 1403995), (35, 561598), (70, 280799), (227, 86590), (454, 43295), (1135, 17318), (1237, 15890), (1589, 12370), (2270, 8659), (2474, 7945), (3178, 6185)]