19800259672

素因数分解:

$2^3\times {\mathrm{2237}}^1\times {\mathrm{1106407}}^1$

素因数の和:1108650

約数の個数: 16

約数和(自身を含む): 37142116560

約数和(自身を除く): 17341856888

約数列:

[1, 2, 4, 8, 2237, 4474, 8948, 17896, 1106407, 2212814, 4425628, 8851256, 2475032459, 4950064918, 9900129836, 19800259672]

約数ペア:

[(1, 19800259672), (2, 9900129836), (4, 4950064918), (8, 2475032459), (2237, 8851256), (4474, 4425628), (8948, 2212814), (17896, 1106407)]