18639802

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{1231}}^1$

素因数の和:1413

約数の個数: 16

約数和(自身を含む): 28651392

約数和(自身を除く): 10011590

約数列:

[1, 2, 67, 113, 134, 226, 1231, 2462, 7571, 15142, 82477, 139103, 164954, 278206, 9319901, 18639802]

約数ペア:

[(1, 18639802), (2, 9319901), (67, 278206), (113, 164954), (134, 139103), (226, 82477), (1231, 15142), (2462, 7571)]