18522196

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1$

素因数の和:122

約数の個数: 72

約数和(自身を含む): 42057792

約数和(自身を除く): 23535596

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 71, 77, 98, 121, 142, 154, 196, 242, 284, 308, 484, 497, 539, 781, 847, 994, 1078, 1331, 1562, 1694, 1988, 2156, 2662, 3124, 3388, 3479, 5324, 5467, 5929, 6958, 8591, 9317, 10934, 11858, 13916, 17182, 18634, 21868, 23716, 34364, 37268, 38269, 60137, 65219, 76538, 94501, 120274, 130438, 153076, 189002, 240548, 260876, 378004, 420959, 661507, 841918, 1323014, 1683836, 2646028, 4630549, 9261098, 18522196]

約数ペア:

[(1, 18522196), (2, 9261098), (4, 4630549), (7, 2646028), (11, 1683836), (14, 1323014), (22, 841918), (28, 661507), (44, 420959), (49, 378004), (71, 260876), (77, 240548), (98, 189002), (121, 153076), (142, 130438), (154, 120274), (196, 94501), (242, 76538), (284, 65219), (308, 60137), (484, 38269), (497, 37268), (539, 34364), (781, 23716), (847, 21868), (994, 18634), (1078, 17182), (1331, 13916), (1562, 11858), (1694, 10934), (1988, 9317), (2156, 8591), (2662, 6958), (3124, 5929), (3388, 5467), (3479, 5324)]