19396580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{138547}}^1$

素因数の和:138563

約数の個数: 24

約数和(自身を含む): 46552128

約数和(自身を除く): 27155548

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 138547, 277094, 554188, 692735, 969829, 1385470, 1939658, 2770940, 3879316, 4849145, 9698290, 19396580]

約数ペア:

[(1, 19396580), (2, 9698290), (4, 4849145), (5, 3879316), (7, 2770940), (10, 1939658), (14, 1385470), (20, 969829), (28, 692735), (35, 554188), (70, 277094), (140, 138547)]