18689418

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^2\times {\mathrm{8581}}^1$

素因数の和:8611

約数の個数: 36

約数和(自身を含む): 44514834

約数和(自身を除く): 25825416

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 121, 198, 242, 363, 726, 1089, 2178, 8581, 17162, 25743, 51486, 77229, 94391, 154458, 188782, 283173, 566346, 849519, 1038301, 1699038, 2076602, 3114903, 6229806, 9344709, 18689418]

約数ペア:

[(1, 18689418), (2, 9344709), (3, 6229806), (6, 3114903), (9, 2076602), (11, 1699038), (18, 1038301), (22, 849519), (33, 566346), (66, 283173), (99, 188782), (121, 154458), (198, 94391), (242, 77229), (363, 51486), (726, 25743), (1089, 17162), (2178, 8581)]