19804316

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{9689}}^1$

素因数の和:9773

約数の個数: 24

約数和(自身を含む): 40155360

約数和(自身を除く): 20351044

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 292, 511, 1022, 2044, 9689, 19378, 38756, 67823, 135646, 271292, 707297, 1414594, 2829188, 4951079, 9902158, 19804316]

約数ペア:

[(1, 19804316), (2, 9902158), (4, 4951079), (7, 2829188), (14, 1414594), (28, 707297), (73, 271292), (146, 135646), (292, 67823), (511, 38756), (1022, 19378), (2044, 9689)]