19275130

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:443

約数の個数: 48

約数和(自身を含む): 40793760

約数和(自身を除く): 21518630

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 139, 245, 278, 283, 490, 566, 695, 973, 1390, 1415, 1946, 1981, 2830, 3962, 4865, 6811, 9730, 9905, 13622, 13867, 19810, 27734, 34055, 39337, 68110, 69335, 78674, 138670, 196685, 275359, 393370, 550718, 1376795, 1927513, 2753590, 3855026, 9637565, 19275130]

約数ペア:

[(1, 19275130), (2, 9637565), (5, 3855026), (7, 2753590), (10, 1927513), (14, 1376795), (35, 550718), (49, 393370), (70, 275359), (98, 196685), (139, 138670), (245, 78674), (278, 69335), (283, 68110), (490, 39337), (566, 34055), (695, 27734), (973, 19810), (1390, 13867), (1415, 13622), (1946, 9905), (1981, 9730), (2830, 6811), (3962, 4865)]