19750874

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{1303}}^1$

素因数の和:1382

約数の個数: 32

約数和(自身を含む): 35489664

約数和(自身を除く): 15738790

約数列:

[1, 2, 11, 13, 22, 26, 53, 106, 143, 286, 583, 689, 1166, 1303, 1378, 2606, 7579, 14333, 15158, 16939, 28666, 33878, 69059, 138118, 186329, 372658, 759649, 897767, 1519298, 1795534, 9875437, 19750874]

約数ペア:

[(1, 19750874), (2, 9875437), (11, 1795534), (13, 1519298), (22, 897767), (26, 759649), (53, 372658), (106, 186329), (143, 138118), (286, 69059), (583, 33878), (689, 28666), (1166, 16939), (1303, 15158), (1378, 14333), (2606, 7579)]