18878296

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{1093}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 37808640

約数和(自身を除く): 18930344

約数列:

[1, 2, 4, 8, 17, 34, 68, 127, 136, 254, 508, 1016, 1093, 2159, 2186, 4318, 4372, 8636, 8744, 17272, 18581, 37162, 74324, 138811, 148648, 277622, 555244, 1110488, 2359787, 4719574, 9439148, 18878296]

約数ペア:

[(1, 18878296), (2, 9439148), (4, 4719574), (8, 2359787), (17, 1110488), (34, 555244), (68, 277622), (127, 148648), (136, 138811), (254, 74324), (508, 37162), (1016, 18581), (1093, 17272), (2159, 8744), (2186, 8636), (4318, 4372)]