19687260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{328121}}^1$

素因数の和:328133

約数の個数: 24

約数和(自身を含む): 55124496

約数和(自身を除く): 35437236

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 328121, 656242, 984363, 1312484, 1640605, 1968726, 3281210, 3937452, 4921815, 6562420, 9843630, 19687260]

約数ペア:

[(1, 19687260), (2, 9843630), (3, 6562420), (4, 4921815), (5, 3937452), (6, 3281210), (10, 1968726), (12, 1640605), (15, 1312484), (20, 984363), (30, 656242), (60, 328121)]