18954420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{315907}}^1$

素因数の和:315919

約数の個数: 24

約数和(自身を含む): 53072544

約数和(自身を除く): 34118124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 315907, 631814, 947721, 1263628, 1579535, 1895442, 3159070, 3790884, 4738605, 6318140, 9477210, 18954420]

約数ペア:

[(1, 18954420), (2, 9477210), (3, 6318140), (4, 4738605), (5, 3790884), (6, 3159070), (10, 1895442), (12, 1579535), (15, 1263628), (20, 947721), (30, 631814), (60, 315907)]