18773874

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{4027}}^1$

素因数の和:4079

約数の個数: 48

約数和(自身を含む): 47755968

約数和(自身を除く): 28982094

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 37, 42, 63, 74, 111, 126, 222, 259, 333, 518, 666, 777, 1554, 2331, 4027, 4662, 8054, 12081, 24162, 28189, 36243, 56378, 72486, 84567, 148999, 169134, 253701, 297998, 446997, 507402, 893994, 1042993, 1340991, 2085986, 2681982, 3128979, 6257958, 9386937, 18773874]

約数ペア:

[(1, 18773874), (2, 9386937), (3, 6257958), (6, 3128979), (7, 2681982), (9, 2085986), (14, 1340991), (18, 1042993), (21, 893994), (37, 507402), (42, 446997), (63, 297998), (74, 253701), (111, 169134), (126, 148999), (222, 84567), (259, 72486), (333, 56378), (518, 36243), (666, 28189), (777, 24162), (1554, 12081), (2331, 8054), (4027, 4662)]