19936090

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:774

約数の個数: 32

約数和(自身を含む): 37293696

約数和(自身を除く): 17357606

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 653, 710, 1306, 3053, 3265, 6106, 6530, 15265, 28079, 30530, 46363, 56158, 92726, 140395, 231815, 280790, 463630, 1993609, 3987218, 9968045, 19936090]

約数ペア:

[(1, 19936090), (2, 9968045), (5, 3987218), (10, 1993609), (43, 463630), (71, 280790), (86, 231815), (142, 140395), (215, 92726), (355, 56158), (430, 46363), (653, 30530), (710, 28079), (1306, 15265), (3053, 6530), (3265, 6106)]