18079012

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{419}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 38384640

約数和(自身を除く): 20305628

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 67, 92, 134, 161, 268, 322, 419, 469, 644, 838, 938, 1541, 1676, 1876, 2933, 3082, 5866, 6164, 9637, 10787, 11732, 19274, 21574, 28073, 38548, 43148, 56146, 67459, 112292, 134918, 196511, 269836, 393022, 645679, 786044, 1291358, 2582716, 4519753, 9039506, 18079012]

約数ペア:

[(1, 18079012), (2, 9039506), (4, 4519753), (7, 2582716), (14, 1291358), (23, 786044), (28, 645679), (46, 393022), (67, 269836), (92, 196511), (134, 134918), (161, 112292), (268, 67459), (322, 56146), (419, 43148), (469, 38548), (644, 28073), (838, 21574), (938, 19274), (1541, 11732), (1676, 10787), (1876, 9637), (2933, 6164), (3082, 5866)]