19593620

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4973}}^1$

素因数の和:5179

約数の個数: 24

約数和(自身を含む): 41363784

約数和(自身を除く): 21770164

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 4973, 9946, 19892, 24865, 49730, 99460, 979681, 1959362, 3918724, 4898405, 9796810, 19593620]

約数ペア:

[(1, 19593620), (2, 9796810), (4, 4898405), (5, 3918724), (10, 1959362), (20, 979681), (197, 99460), (394, 49730), (788, 24865), (985, 19892), (1970, 9946), (3940, 4973)]