18937140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{547}}^1\times {\mathrm{577}}^1$

素因数の和:1136

約数の個数: 48

約数和(自身を含む): 53212992

約数和(自身を除く): 34275852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 547, 577, 1094, 1154, 1641, 1731, 2188, 2308, 2735, 2885, 3282, 3462, 5470, 5770, 6564, 6924, 8205, 8655, 10940, 11540, 16410, 17310, 32820, 34620, 315619, 631238, 946857, 1262476, 1578095, 1893714, 3156190, 3787428, 4734285, 6312380, 9468570, 18937140]

約数ペア:

[(1, 18937140), (2, 9468570), (3, 6312380), (4, 4734285), (5, 3787428), (6, 3156190), (10, 1893714), (12, 1578095), (15, 1262476), (20, 946857), (30, 631238), (60, 315619), (547, 34620), (577, 32820), (1094, 17310), (1154, 16410), (1641, 11540), (1731, 10940), (2188, 8655), (2308, 8205), (2735, 6924), (2885, 6564), (3282, 5770), (3462, 5470)]