18741618

素因数分解:

$2^1\times 3^5\times 7^2\times {\mathrm{787}}^1$

素因数の和:818

約数の個数: 72

約数和(自身を含む): 49048272

約数和(自身を除く): 30306654

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 147, 162, 189, 243, 294, 378, 441, 486, 567, 787, 882, 1134, 1323, 1574, 1701, 2361, 2646, 3402, 3969, 4722, 5509, 7083, 7938, 11018, 11907, 14166, 16527, 21249, 23814, 33054, 38563, 42498, 49581, 63747, 77126, 99162, 115689, 127494, 148743, 191241, 231378, 297486, 347067, 382482, 446229, 694134, 892458, 1041201, 1338687, 2082402, 2677374, 3123603, 6247206, 9370809, 18741618]

約数ペア:

[(1, 18741618), (2, 9370809), (3, 6247206), (6, 3123603), (7, 2677374), (9, 2082402), (14, 1338687), (18, 1041201), (21, 892458), (27, 694134), (42, 446229), (49, 382482), (54, 347067), (63, 297486), (81, 231378), (98, 191241), (126, 148743), (147, 127494), (162, 115689), (189, 99162), (243, 77126), (294, 63747), (378, 49581), (441, 42498), (486, 38563), (567, 33054), (787, 23814), (882, 21249), (1134, 16527), (1323, 14166), (1574, 11907), (1701, 11018), (2361, 7938), (2646, 7083), (3402, 5509), (3969, 4722)]