18742563

素因数分解:

$3^3\times 7^1\times {\mathrm{131}}^1\times {\mathrm{757}}^1$

素因数の和:904

約数の個数: 32

約数和(自身を含む): 32017920

約数和(自身を除く): 13275357

約数列:

[1, 3, 7, 9, 21, 27, 63, 131, 189, 393, 757, 917, 1179, 2271, 2751, 3537, 5299, 6813, 8253, 15897, 20439, 24759, 47691, 99167, 143073, 297501, 694169, 892503, 2082507, 2677509, 6247521, 18742563]

約数ペア:

[(1, 18742563), (3, 6247521), (7, 2677509), (9, 2082507), (21, 892503), (27, 694169), (63, 297501), (131, 143073), (189, 99167), (393, 47691), (757, 24759), (917, 20439), (1179, 15897), (2271, 8253), (2751, 6813), (3537, 5299)]