18990060

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{316501}}^1$

素因数の和:316513

約数の個数: 24

約数和(自身を含む): 53172336

約数和(自身を除く): 34182276

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 316501, 633002, 949503, 1266004, 1582505, 1899006, 3165010, 3798012, 4747515, 6330020, 9495030, 18990060]

約数ペア:

[(1, 18990060), (2, 9495030), (3, 6330020), (4, 4747515), (5, 3798012), (6, 3165010), (10, 1899006), (12, 1582505), (15, 1266004), (20, 949503), (30, 633002), (60, 316501)]