20187399718

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1\times {\mathrm{25253}}^1$

素因数の和:25576

約数の個数: 32

約数和(自身を含む): 32335221600

約数和(自身を除く): 12147821882

約数列:

[1, 2, 19, 38, 109, 193, 218, 386, 2071, 3667, 4142, 7334, 21037, 25253, 42074, 50506, 399703, 479807, 799406, 959614, 2752577, 4873829, 5505154, 9747658, 52298963, 92602751, 104597926, 185205502, 531247361, 1062494722, 10093699859, 20187399718]

約数ペア:

[(1, 20187399718), (2, 10093699859), (19, 1062494722), (38, 531247361), (109, 185205502), (193, 104597926), (218, 92602751), (386, 52298963), (2071, 9747658), (3667, 5505154), (4142, 4873829), (7334, 2752577), (21037, 959614), (25253, 799406), (42074, 479807), (50506, 399703)]