18742724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{151}}^1$

素因数の和:217

約数の個数: 96

約数和(自身を含む): 45760512

約数和(自身を除く): 27017788

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 31, 44, 52, 62, 77, 91, 124, 143, 151, 154, 182, 217, 286, 302, 308, 341, 364, 403, 434, 572, 604, 682, 806, 868, 1001, 1057, 1364, 1612, 1661, 1963, 2002, 2114, 2387, 2821, 3322, 3926, 4004, 4228, 4433, 4681, 4774, 5642, 6644, 7852, 8866, 9362, 9548, 11284, 11627, 13741, 17732, 18724, 21593, 23254, 27482, 31031, 32767, 43186, 46508, 51491, 54964, 60853, 62062, 65534, 86372, 102982, 121706, 124124, 131068, 151151, 205964, 243412, 302302, 360437, 425971, 604604, 669383, 720874, 851942, 1338766, 1441748, 1703884, 2677532, 4685681, 9371362, 18742724]

約数ペア:

[(1, 18742724), (2, 9371362), (4, 4685681), (7, 2677532), (11, 1703884), (13, 1441748), (14, 1338766), (22, 851942), (26, 720874), (28, 669383), (31, 604604), (44, 425971), (52, 360437), (62, 302302), (77, 243412), (91, 205964), (124, 151151), (143, 131068), (151, 124124), (154, 121706), (182, 102982), (217, 86372), (286, 65534), (302, 62062), (308, 60853), (341, 54964), (364, 51491), (403, 46508), (434, 43186), (572, 32767), (604, 31031), (682, 27482), (806, 23254), (868, 21593), (1001, 18724), (1057, 17732), (1364, 13741), (1612, 11627), (1661, 11284), (1963, 9548), (2002, 9362), (2114, 8866), (2387, 7852), (2821, 6644), (3322, 5642), (3926, 4774), (4004, 4681), (4228, 4433)]