18644241

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1877}}^1$

素因数の和:1941

約数の個数: 32

約数和(自身を含む): 31730688

約数和(自身を除く): 13086447

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1877, 3311, 5631, 9933, 13139, 20647, 39417, 61941, 80711, 144529, 242133, 433587, 564977, 887821, 1694931, 2663463, 6214747, 18644241]

約数ペア:

[(1, 18644241), (3, 6214747), (7, 2663463), (11, 1694931), (21, 887821), (33, 564977), (43, 433587), (77, 242133), (129, 144529), (231, 80711), (301, 61941), (473, 39417), (903, 20647), (1419, 13139), (1877, 9933), (3311, 5631)]