18556428

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{547}}^1$

素因数の和:822

約数の個数: 48

約数和(自身を含む): 47505024

約数和(自身を除く): 28948596

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 257, 514, 547, 771, 1028, 1094, 1542, 1641, 2188, 2827, 3084, 3282, 5654, 6017, 6564, 8481, 11308, 12034, 16962, 18051, 24068, 33924, 36102, 72204, 140579, 281158, 421737, 562316, 843474, 1546369, 1686948, 3092738, 4639107, 6185476, 9278214, 18556428]

約数ペア:

[(1, 18556428), (2, 9278214), (3, 6185476), (4, 4639107), (6, 3092738), (11, 1686948), (12, 1546369), (22, 843474), (33, 562316), (44, 421737), (66, 281158), (132, 140579), (257, 72204), (514, 36102), (547, 33924), (771, 24068), (1028, 18051), (1094, 16962), (1542, 12034), (1641, 11308), (2188, 8481), (2827, 6564), (3084, 6017), (3282, 5654)]