18041804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:266

約数の個数: 48

約数和(自身を含む): 36027936

約数和(自身を除く): 17986132

約数列:

[1, 2, 4, 11, 22, 41, 44, 73, 82, 137, 146, 164, 274, 292, 451, 548, 803, 902, 1507, 1606, 1804, 2993, 3014, 3212, 5617, 5986, 6028, 10001, 11234, 11972, 20002, 22468, 32923, 40004, 61787, 65846, 110011, 123574, 131692, 220022, 247148, 410041, 440044, 820082, 1640164, 4510451, 9020902, 18041804]

約数ペア:

[(1, 18041804), (2, 9020902), (4, 4510451), (11, 1640164), (22, 820082), (41, 440044), (44, 410041), (73, 247148), (82, 220022), (137, 131692), (146, 123574), (164, 110011), (274, 65846), (292, 61787), (451, 40004), (548, 32923), (803, 22468), (902, 20002), (1507, 11972), (1606, 11234), (1804, 10001), (2993, 6028), (3014, 5986), (3212, 5617)]