19994006

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^2\times {\mathrm{131}}^1$

素因数の和:284

約数の個数: 24

約数和(自身を含む): 32482296

約数和(自身を除く): 12488290

約数列:

[1, 2, 17, 34, 67, 131, 134, 262, 1139, 2227, 2278, 4454, 4489, 8777, 8978, 17554, 76313, 149209, 152626, 298418, 588059, 1176118, 9997003, 19994006]

約数ペア:

[(1, 19994006), (2, 9997003), (17, 1176118), (34, 588059), (67, 298418), (131, 152626), (134, 149209), (262, 76313), (1139, 17554), (2227, 8978), (2278, 8777), (4454, 4489)]