18128552

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5623}}^1$

素因数の和:5673

約数の個数: 32

約数和(自身を含む): 37793280

約数和(自身を除く): 19664728

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 5623, 11246, 22492, 44984, 73099, 146198, 174313, 292396, 348626, 584792, 697252, 1394504, 2266069, 4532138, 9064276, 18128552]

約数ペア:

[(1, 18128552), (2, 9064276), (4, 4532138), (8, 2266069), (13, 1394504), (26, 697252), (31, 584792), (52, 348626), (62, 292396), (104, 174313), (124, 146198), (248, 73099), (403, 44984), (806, 22492), (1612, 11246), (3224, 5623)]