19977350

素因数分解:

$2^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{8501}}^1$

素因数の和:8560

約数の個数: 24

約数和(自身を含む): 37952928

約数和(自身を除く): 17975578

約数列:

[1, 2, 5, 10, 25, 47, 50, 94, 235, 470, 1175, 2350, 8501, 17002, 42505, 85010, 212525, 399547, 425050, 799094, 1997735, 3995470, 9988675, 19977350]

約数ペア:

[(1, 19977350), (2, 9988675), (5, 3995470), (10, 1997735), (25, 799094), (47, 425050), (50, 399547), (94, 212525), (235, 85010), (470, 42505), (1175, 17002), (2350, 8501)]