18992778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5081}}^1$

素因数の和:5182

約数の個数: 32

約数和(自身を含む): 43908480

約数和(自身を除く): 24915702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 178, 267, 534, 623, 1246, 1869, 3738, 5081, 10162, 15243, 30486, 35567, 71134, 106701, 213402, 452209, 904418, 1356627, 2713254, 3165463, 6330926, 9496389, 18992778]

約数ペア:

[(1, 18992778), (2, 9496389), (3, 6330926), (6, 3165463), (7, 2713254), (14, 1356627), (21, 904418), (42, 452209), (89, 213402), (178, 106701), (267, 71134), (534, 35567), (623, 30486), (1246, 15243), (1869, 10162), (3738, 5081)]