19386760

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1373}}^1$

素因数の和:1737

約数の個数: 32

約数和(自身を含む): 43775640

約数和(自身を除く): 24388880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1373, 1412, 1765, 2746, 2824, 3530, 5492, 6865, 7060, 10984, 13730, 14120, 27460, 54920, 484669, 969338, 1938676, 2423345, 3877352, 4846690, 9693380, 19386760]

約数ペア:

[(1, 19386760), (2, 9693380), (4, 4846690), (5, 3877352), (8, 2423345), (10, 1938676), (20, 969338), (40, 484669), (353, 54920), (706, 27460), (1373, 14120), (1412, 13730), (1765, 10984), (2746, 7060), (2824, 6865), (3530, 5492)]