18765695536

素因数分解:

$2^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2500759}}^1$

素因数の和:2500841

約数の個数: 40

約数和(自身を含む): 42172816640

約数和(自身を除く): 23407121104

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 67, 112, 134, 268, 469, 536, 938, 1072, 1876, 3752, 7504, 2500759, 5001518, 10003036, 17505313, 20006072, 35010626, 40012144, 70021252, 140042504, 167550853, 280085008, 335101706, 670203412, 1172855971, 1340406824, 2345711942, 2680813648, 4691423884, 9382847768, 18765695536]

約数ペア:

[(1, 18765695536), (2, 9382847768), (4, 4691423884), (7, 2680813648), (8, 2345711942), (14, 1340406824), (16, 1172855971), (28, 670203412), (56, 335101706), (67, 280085008), (112, 167550853), (134, 140042504), (268, 70021252), (469, 40012144), (536, 35010626), (938, 20006072), (1072, 17505313), (1876, 10003036), (3752, 5001518), (7504, 2500759)]