18937278

素因数分解:

$2^1\times 3^2\times {\mathrm{431}}^1\times {\mathrm{2441}}^1$

素因数の和:2880

約数の個数: 24

約数和(自身を含む): 41142816

約数和(自身を除く): 22205538

約数列:

[1, 2, 3, 6, 9, 18, 431, 862, 1293, 2441, 2586, 3879, 4882, 7323, 7758, 14646, 21969, 43938, 1052071, 2104142, 3156213, 6312426, 9468639, 18937278]

約数ペア:

[(1, 18937278), (2, 9468639), (3, 6312426), (6, 3156213), (9, 2104142), (18, 1052071), (431, 43938), (862, 21969), (1293, 14646), (2441, 7758), (2586, 7323), (3879, 4882)]