18220202

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{479}}^1$

素因数の和:531

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 20486998

約数列:

[1, 2, 7, 11, 13, 14, 19, 22, 26, 38, 77, 91, 133, 143, 154, 182, 209, 247, 266, 286, 418, 479, 494, 958, 1001, 1463, 1729, 2002, 2717, 2926, 3353, 3458, 5269, 5434, 6227, 6706, 9101, 10538, 12454, 18202, 19019, 36883, 38038, 43589, 63707, 68497, 73766, 87178, 100111, 118313, 127414, 136994, 200222, 236626, 479479, 700777, 828191, 958958, 1301443, 1401554, 1656382, 2602886, 9110101, 18220202]

約数ペア:

[(1, 18220202), (2, 9110101), (7, 2602886), (11, 1656382), (13, 1401554), (14, 1301443), (19, 958958), (22, 828191), (26, 700777), (38, 479479), (77, 236626), (91, 200222), (133, 136994), (143, 127414), (154, 118313), (182, 100111), (209, 87178), (247, 73766), (266, 68497), (286, 63707), (418, 43589), (479, 38038), (494, 36883), (958, 19019), (1001, 18202), (1463, 12454), (1729, 10538), (2002, 9101), (2717, 6706), (2926, 6227), (3353, 5434), (3458, 5269)]