18996868819

素因数分解:

${\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{3187}}^1$

素因数の和:3443

約数の個数: 32

約数和(自身を含む): 21030598400

約数和(自身を除く): 2033729581

約数列:

[1, 19, 37, 61, 139, 703, 1159, 2257, 2641, 3187, 5143, 8479, 42883, 60553, 97717, 117919, 161101, 194407, 313723, 442993, 2240461, 3693733, 5960737, 7193059, 8416867, 16390741, 27022573, 136668121, 311424079, 513428887, 999835201, 18996868819]

約数ペア:

[(1, 18996868819), (19, 999835201), (37, 513428887), (61, 311424079), (139, 136668121), (703, 27022573), (1159, 16390741), (2257, 8416867), (2641, 7193059), (3187, 5960737), (5143, 3693733), (8479, 2240461), (42883, 442993), (60553, 313723), (97717, 194407), (117919, 161101)]