17966260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{1607}}^1$

素因数の和:1672

約数の個数: 48

約数和(自身を含む): 41602176

約数和(自身を除く): 23635916

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 1607, 2236, 2795, 3214, 5590, 6428, 8035, 11180, 16070, 20891, 32140, 41782, 69101, 83564, 104455, 138202, 208910, 276404, 345505, 417820, 691010, 898313, 1382020, 1796626, 3593252, 4491565, 8983130, 17966260]

約数ペア:

[(1, 17966260), (2, 8983130), (4, 4491565), (5, 3593252), (10, 1796626), (13, 1382020), (20, 898313), (26, 691010), (43, 417820), (52, 345505), (65, 276404), (86, 208910), (130, 138202), (172, 104455), (215, 83564), (260, 69101), (430, 41782), (559, 32140), (860, 20891), (1118, 16070), (1607, 11180), (2236, 8035), (2795, 6428), (3214, 5590)]