18798318

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:180

約数の個数: 120

約数和(自身を含む): 53300016

約数和(自身を除く): 34501698

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 27, 33, 42, 54, 63, 66, 77, 81, 99, 121, 126, 137, 154, 162, 189, 198, 231, 242, 274, 297, 363, 378, 411, 462, 567, 594, 693, 726, 822, 847, 891, 959, 1089, 1134, 1233, 1386, 1507, 1694, 1782, 1918, 2079, 2178, 2466, 2541, 2877, 3014, 3267, 3699, 4158, 4521, 5082, 5754, 6237, 6534, 7398, 7623, 8631, 9042, 9801, 10549, 11097, 12474, 13563, 15246, 16577, 17262, 19602, 21098, 22194, 22869, 25893, 27126, 31647, 33154, 40689, 45738, 49731, 51786, 63294, 68607, 77679, 81378, 94941, 99462, 116039, 122067, 137214, 149193, 155358, 189882, 232078, 244134, 284823, 298386, 348117, 447579, 569646, 696234, 854469, 895158, 1044351, 1342737, 1708938, 2088702, 2685474, 3133053, 6266106, 9399159, 18798318]

約数ペア:

[(1, 18798318), (2, 9399159), (3, 6266106), (6, 3133053), (7, 2685474), (9, 2088702), (11, 1708938), (14, 1342737), (18, 1044351), (21, 895158), (22, 854469), (27, 696234), (33, 569646), (42, 447579), (54, 348117), (63, 298386), (66, 284823), (77, 244134), (81, 232078), (99, 189882), (121, 155358), (126, 149193), (137, 137214), (154, 122067), (162, 116039), (189, 99462), (198, 94941), (231, 81378), (242, 77679), (274, 68607), (297, 63294), (363, 51786), (378, 49731), (411, 45738), (462, 40689), (567, 33154), (594, 31647), (693, 27126), (726, 25893), (822, 22869), (847, 22194), (891, 21098), (959, 19602), (1089, 17262), (1134, 16577), (1233, 15246), (1386, 13563), (1507, 12474), (1694, 11097), (1782, 10549), (1918, 9801), (2079, 9042), (2178, 8631), (2466, 7623), (2541, 7398), (2877, 6534), (3014, 6237), (3267, 5754), (3699, 5082), (4158, 4521)]