18804901005

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1151203}}^1$

素因数の和:1151239

約数の個数: 48

約数和(自身を含む): 36746431680

約数和(自身を除く): 17941530675

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 121, 135, 165, 297, 363, 495, 605, 1089, 1485, 1815, 3267, 5445, 16335, 1151203, 3453609, 5756015, 10360827, 12663233, 17268045, 31082481, 37989699, 51804135, 63316165, 113969097, 139295563, 155412405, 189948495, 341907291, 417886689, 569845485, 696477815, 1253660067, 1709536455, 2089433445, 3760980201, 6268300335, 18804901005]

約数ペア:

[(1, 18804901005), (3, 6268300335), (5, 3760980201), (9, 2089433445), (11, 1709536455), (15, 1253660067), (27, 696477815), (33, 569845485), (45, 417886689), (55, 341907291), (99, 189948495), (121, 155412405), (135, 139295563), (165, 113969097), (297, 63316165), (363, 51804135), (495, 37989699), (605, 31082481), (1089, 17268045), (1485, 12663233), (1815, 10360827), (3267, 5756015), (5445, 3453609), (16335, 1151203)]