18316012

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:151

約数の個数: 72

約数和(自身を含む): 39414816

約数和(自身を除く): 21098804

約数列:

[1, 2, 4, 11, 13, 22, 26, 41, 44, 52, 71, 82, 121, 142, 143, 164, 242, 284, 286, 451, 484, 533, 572, 781, 902, 923, 1066, 1562, 1573, 1804, 1846, 2132, 2911, 3124, 3146, 3692, 4961, 5822, 5863, 6292, 8591, 9922, 10153, 11644, 11726, 17182, 19844, 20306, 23452, 32021, 34364, 37843, 40612, 64042, 64493, 75686, 111683, 128084, 128986, 151372, 223366, 257972, 352231, 416273, 446732, 704462, 832546, 1408924, 1665092, 4579003, 9158006, 18316012]

約数ペア:

[(1, 18316012), (2, 9158006), (4, 4579003), (11, 1665092), (13, 1408924), (22, 832546), (26, 704462), (41, 446732), (44, 416273), (52, 352231), (71, 257972), (82, 223366), (121, 151372), (142, 128986), (143, 128084), (164, 111683), (242, 75686), (284, 64493), (286, 64042), (451, 40612), (484, 37843), (533, 34364), (572, 32021), (781, 23452), (902, 20306), (923, 19844), (1066, 17182), (1562, 11726), (1573, 11644), (1804, 10153), (1846, 9922), (2132, 8591), (2911, 6292), (3124, 5863), (3146, 5822), (3692, 4961)]