18945256

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{467}}^1$

素因数の和:945

約数の個数: 32

約数和(自身を含む): 38918880

約数和(自身を除く): 19973624

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 461, 467, 922, 934, 1844, 1868, 3688, 3736, 5071, 5137, 10142, 10274, 20284, 20548, 40568, 41096, 215287, 430574, 861148, 1722296, 2368157, 4736314, 9472628, 18945256]

約数ペア:

[(1, 18945256), (2, 9472628), (4, 4736314), (8, 2368157), (11, 1722296), (22, 861148), (44, 430574), (88, 215287), (461, 41096), (467, 40568), (922, 20548), (934, 20284), (1844, 10274), (1868, 10142), (3688, 5137), (3736, 5071)]