18718035

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2003}}^1$

素因数の和:2107

約数の個数: 32

約数和(自身を含む): 34629120

約数和(自身を除く): 15911085

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2003, 3115, 6009, 9345, 10015, 14021, 30045, 42063, 70105, 178267, 210315, 534801, 891335, 1247869, 2674005, 3743607, 6239345, 18718035]

約数ペア:

[(1, 18718035), (3, 6239345), (5, 3743607), (7, 2674005), (15, 1247869), (21, 891335), (35, 534801), (89, 210315), (105, 178267), (267, 70105), (445, 42063), (623, 30045), (1335, 14021), (1869, 10015), (2003, 9345), (3115, 6009)]