19425104

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{3121}}^1$

素因数の和:3518

約数の個数: 20

約数和(自身を含む): 37744980

約数和(自身を除く): 18319876

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 3121, 6224, 6242, 12484, 24968, 49936, 1214069, 2428138, 4856276, 9712552, 19425104]

約数ペア:

[(1, 19425104), (2, 9712552), (4, 4856276), (8, 2428138), (16, 1214069), (389, 49936), (778, 24968), (1556, 12484), (3112, 6242), (3121, 6224)]