18693220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10271}}^1$

素因数の和:10300

約数の個数: 48

約数和(自身を含む): 48319488

約数和(自身を除く): 29626268

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 10271, 20542, 41084, 51355, 71897, 102710, 133523, 143794, 205420, 267046, 287588, 359485, 534092, 667615, 718970, 934661, 1335230, 1437940, 1869322, 2670460, 3738644, 4673305, 9346610, 18693220]

約数ペア:

[(1, 18693220), (2, 9346610), (4, 4673305), (5, 3738644), (7, 2670460), (10, 1869322), (13, 1437940), (14, 1335230), (20, 934661), (26, 718970), (28, 667615), (35, 534092), (52, 359485), (65, 287588), (70, 267046), (91, 205420), (130, 143794), (140, 133523), (182, 102710), (260, 71897), (364, 51355), (455, 41084), (910, 20542), (1820, 10271)]