18817218

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{743}}^1$

素因数の和:828

約数の個数: 64

約数和(自身を含む): 48568320

約数和(自身を除く): 29751102

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 67, 126, 134, 189, 201, 378, 402, 469, 603, 743, 938, 1206, 1407, 1486, 1809, 2229, 2814, 3618, 4221, 4458, 5201, 6687, 8442, 10402, 12663, 13374, 15603, 20061, 25326, 31206, 40122, 46809, 49781, 93618, 99562, 140427, 149343, 280854, 298686, 348467, 448029, 696934, 896058, 1045401, 1344087, 2090802, 2688174, 3136203, 6272406, 9408609, 18817218]

約数ペア:

[(1, 18817218), (2, 9408609), (3, 6272406), (6, 3136203), (7, 2688174), (9, 2090802), (14, 1344087), (18, 1045401), (21, 896058), (27, 696934), (42, 448029), (54, 348467), (63, 298686), (67, 280854), (126, 149343), (134, 140427), (189, 99562), (201, 93618), (378, 49781), (402, 46809), (469, 40122), (603, 31206), (743, 25326), (938, 20061), (1206, 15603), (1407, 13374), (1486, 12663), (1809, 10402), (2229, 8442), (2814, 6687), (3618, 5201), (4221, 4458)]