19887712

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{47807}}^1$

素因数の和:47830

約数の個数: 24

約数和(自身を含む): 42166656

約数和(自身を除く): 22278944

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 47807, 95614, 191228, 382456, 621491, 764912, 1242982, 1529824, 2485964, 4971928, 9943856, 19887712]

約数ペア:

[(1, 19887712), (2, 9943856), (4, 4971928), (8, 2485964), (13, 1529824), (16, 1242982), (26, 764912), (32, 621491), (52, 382456), (104, 191228), (208, 95614), (416, 47807)]