18487042

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{19709}}^1$

素因数の和:19785

約数の個数: 16

約数和(自身を含む): 32166720

約数和(自身を除く): 13679678

約数列:

[1, 2, 7, 14, 67, 134, 469, 938, 19709, 39418, 137963, 275926, 1320503, 2641006, 9243521, 18487042]

約数ペア:

[(1, 18487042), (2, 9243521), (7, 2641006), (14, 1320503), (67, 275926), (134, 137963), (469, 39418), (938, 19709)]