18003800060

素因数分解:

$2^2\times 5^1\times {\mathrm{900190003}}^1$

素因数の和:900190012

約数の個数: 12

約数和(自身を含む): 37807980168

約数和(自身を除く): 19804180108

約数列:

[1, 2, 4, 5, 10, 20, 900190003, 1800380006, 3600760012, 4500950015, 9001900030, 18003800060]

約数ペア:

[(1, 18003800060), (2, 9001900030), (4, 4500950015), (5, 3600760012), (10, 1800380006), (20, 900190003)]