18005526

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1181}}^1$

素因数の和:1218

約数の個数: 72

約数和(自身を含む): 49048272

約数和(自身を除く): 31042746

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 99, 121, 126, 154, 198, 231, 242, 363, 462, 693, 726, 847, 1089, 1181, 1386, 1694, 2178, 2362, 2541, 3543, 5082, 7086, 7623, 8267, 10629, 12991, 15246, 16534, 21258, 24801, 25982, 38973, 49602, 74403, 77946, 90937, 116919, 142901, 148806, 181874, 233838, 272811, 285802, 428703, 545622, 818433, 857406, 1000307, 1286109, 1636866, 2000614, 2572218, 3000921, 6001842, 9002763, 18005526]

約数ペア:

[(1, 18005526), (2, 9002763), (3, 6001842), (6, 3000921), (7, 2572218), (9, 2000614), (11, 1636866), (14, 1286109), (18, 1000307), (21, 857406), (22, 818433), (33, 545622), (42, 428703), (63, 285802), (66, 272811), (77, 233838), (99, 181874), (121, 148806), (126, 142901), (154, 116919), (198, 90937), (231, 77946), (242, 74403), (363, 49602), (462, 38973), (693, 25982), (726, 24801), (847, 21258), (1089, 16534), (1181, 15246), (1386, 12991), (1694, 10629), (2178, 8267), (2362, 7623), (2541, 7086), (3543, 5082)]