20009968978

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{1619}}^1\times {\mathrm{325249}}^1$

素因数の和:326889

約数の個数: 16

約数和(自身を含む): 31614300000

約数和(自身を除く): 11604331022

約数列:

[1, 2, 19, 38, 1619, 3238, 30761, 61522, 325249, 650498, 6179731, 12359462, 526578131, 1053156262, 10004984489, 20009968978]

約数ペア:

[(1, 20009968978), (2, 10004984489), (19, 1053156262), (38, 526578131), (1619, 12359462), (3238, 6179731), (30761, 650498), (61522, 325249)]