18902301

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 28695168

約数和(自身を除く): 9792867

約数列:

[1, 3, 11, 33, 37, 111, 113, 137, 339, 407, 411, 1221, 1243, 1507, 3729, 4181, 4521, 5069, 12543, 15207, 15481, 45991, 46443, 55759, 137973, 167277, 170291, 510873, 572797, 1718391, 6300767, 18902301]

約数ペア:

[(1, 18902301), (3, 6300767), (11, 1718391), (33, 572797), (37, 510873), (111, 170291), (113, 167277), (137, 137973), (339, 55759), (407, 46443), (411, 45991), (1221, 15481), (1243, 15207), (1507, 12543), (3729, 5069), (4181, 4521)]