19992930724

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{263}}^1\times {\mathrm{27583}}^1$

素因数の和:27916

約数の個数: 48

約数和(自身を含む): 38537275392

約数和(自身を除く): 18544344668

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 263, 526, 689, 1052, 1378, 2756, 3419, 6838, 13676, 13939, 27583, 27878, 55166, 55756, 110332, 181207, 358579, 362414, 717158, 724828, 1434316, 1461899, 2923798, 5847596, 7254329, 14508658, 19004687, 29017316, 38009374, 76018748, 94306277, 188612554, 377225108, 384479437, 768958874, 1537917748, 4998232681, 9996465362, 19992930724]

約数ペア:

[(1, 19992930724), (2, 9996465362), (4, 4998232681), (13, 1537917748), (26, 768958874), (52, 384479437), (53, 377225108), (106, 188612554), (212, 94306277), (263, 76018748), (526, 38009374), (689, 29017316), (1052, 19004687), (1378, 14508658), (2756, 7254329), (3419, 5847596), (6838, 2923798), (13676, 1461899), (13939, 1434316), (27583, 724828), (27878, 717158), (55166, 362414), (55756, 358579), (110332, 181207)]