18701145

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1669}}^1$

素因数の和:1766

約数の個数: 32

約数和(自身を含む): 33667200

約数和(自身を除く): 14966055

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 135, 249, 415, 747, 1245, 1669, 2241, 3735, 5007, 8345, 11205, 15021, 25035, 45063, 75105, 138527, 225315, 415581, 692635, 1246743, 2077905, 3740229, 6233715, 18701145]

約数ペア:

[(1, 18701145), (3, 6233715), (5, 3740229), (9, 2077905), (15, 1246743), (27, 692635), (45, 415581), (83, 225315), (135, 138527), (249, 75105), (415, 45063), (747, 25035), (1245, 15021), (1669, 11205), (2241, 8345), (3735, 5007)]