18800445

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:345

約数の個数: 32

約数和(自身を含む): 30965760

約数和(自身を除く): 12165315

約数列:

[1, 3, 5, 15, 71, 127, 139, 213, 355, 381, 417, 635, 695, 1065, 1905, 2085, 9017, 9869, 17653, 27051, 29607, 45085, 49345, 52959, 88265, 135255, 148035, 264795, 1253363, 3760089, 6266815, 18800445]

約数ペア:

[(1, 18800445), (3, 6266815), (5, 3760089), (15, 1253363), (71, 264795), (127, 148035), (139, 135255), (213, 88265), (355, 52959), (381, 49345), (417, 45085), (635, 29607), (695, 27051), (1065, 17653), (1905, 9869), (2085, 9017)]