19866950

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{5443}}^1$

素因数の和:5528

約数の個数: 24

約数和(自身を含む): 37465608

約数和(自身を除く): 17598658

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 365, 730, 1825, 3650, 5443, 10886, 27215, 54430, 136075, 272150, 397339, 794678, 1986695, 3973390, 9933475, 19866950]

約数ペア:

[(1, 19866950), (2, 9933475), (5, 3973390), (10, 1986695), (25, 794678), (50, 397339), (73, 272150), (146, 136075), (365, 54430), (730, 27215), (1825, 10886), (3650, 5443)]