18956220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315937}}^1$

素因数の和:315949

約数の個数: 24

約数和(自身を含む): 53077584

約数和(自身を除く): 34121364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315937, 631874, 947811, 1263748, 1579685, 1895622, 3159370, 3791244, 4739055, 6318740, 9478110, 18956220]

約数ペア:

[(1, 18956220), (2, 9478110), (3, 6318740), (4, 4739055), (5, 3791244), (6, 3159370), (10, 1895622), (12, 1579685), (15, 1263748), (20, 947811), (30, 631874), (60, 315937)]