18538414

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{21211}}^1$

素因数の和:21255

約数の個数: 16

約数和(自身を含む): 30545280

約数和(自身を除く): 12006866

約数列:

[1, 2, 19, 23, 38, 46, 437, 874, 21211, 42422, 403009, 487853, 806018, 975706, 9269207, 18538414]

約数ペア:

[(1, 18538414), (2, 9269207), (19, 975706), (23, 806018), (38, 487853), (46, 403009), (437, 42422), (874, 21211)]