19649968143

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1288607}}^1$

素因数の和:1288663

約数の個数: 32

約数和(自身を含む): 31174004736

約数和(自身を除く): 11524036593

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 5083, 15249, 1288607, 3865821, 16751891, 21906319, 29637961, 50255673, 65718957, 88913883, 284782147, 385293493, 503845337, 854346441, 1155880479, 1511536011, 6549989381, 19649968143]

約数ペア:

[(1, 19649968143), (3, 6549989381), (13, 1511536011), (17, 1155880479), (23, 854346441), (39, 503845337), (51, 385293493), (69, 284782147), (221, 88913883), (299, 65718957), (391, 50255673), (663, 29637961), (897, 21906319), (1173, 16751891), (5083, 3865821), (15249, 1288607)]