18231944

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:210

約数の個数: 48

約数和(自身を含む): 37033200

約数和(自身を除く): 18801256

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 107, 118, 152, 214, 236, 361, 428, 472, 722, 856, 1121, 1444, 2033, 2242, 2888, 4066, 4484, 6313, 8132, 8968, 12626, 16264, 21299, 25252, 38627, 42598, 50504, 77254, 85196, 119947, 154508, 170392, 239894, 309016, 479788, 959576, 2278993, 4557986, 9115972, 18231944]

約数ペア:

[(1, 18231944), (2, 9115972), (4, 4557986), (8, 2278993), (19, 959576), (38, 479788), (59, 309016), (76, 239894), (107, 170392), (118, 154508), (152, 119947), (214, 85196), (236, 77254), (361, 50504), (428, 42598), (472, 38627), (722, 25252), (856, 21299), (1121, 16264), (1444, 12626), (2033, 8968), (2242, 8132), (2888, 6313), (4066, 4484)]