18486531371

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{20341}}^1$

素因数の和:20436

約数の個数: 48

約数和(自身を含む): 24674032320

約数和(自身を除く): 6187500949

約数列:

[1, 7, 11, 29, 37, 77, 121, 203, 259, 319, 407, 847, 1073, 2233, 2849, 3509, 4477, 7511, 11803, 20341, 24563, 31339, 82621, 129833, 142387, 223751, 589889, 752617, 908831, 1566257, 2461261, 4129223, 5268319, 6488779, 8278787, 17228827, 21825893, 45421453, 57951509, 71376569, 91066657, 152781251, 240084823, 499635983, 637466599, 1680593761, 2640933053, 18486531371]

約数ペア:

[(1, 18486531371), (7, 2640933053), (11, 1680593761), (29, 637466599), (37, 499635983), (77, 240084823), (121, 152781251), (203, 91066657), (259, 71376569), (319, 57951509), (407, 45421453), (847, 21825893), (1073, 17228827), (2233, 8278787), (2849, 6488779), (3509, 5268319), (4477, 4129223), (7511, 2461261), (11803, 1566257), (20341, 908831), (24563, 752617), (31339, 589889), (82621, 223751), (129833, 142387)]