18889332

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20443}}^1$

素因数の和:20468

約数の個数: 48

約数和(自身を含む): 54953472

約数和(自身を除く): 36064140

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 231, 308, 462, 924, 20443, 40886, 61329, 81772, 122658, 143101, 224873, 245316, 286202, 429303, 449746, 572404, 674619, 858606, 899492, 1349238, 1574111, 1717212, 2698476, 3148222, 4722333, 6296444, 9444666, 18889332]

約数ペア:

[(1, 18889332), (2, 9444666), (3, 6296444), (4, 4722333), (6, 3148222), (7, 2698476), (11, 1717212), (12, 1574111), (14, 1349238), (21, 899492), (22, 858606), (28, 674619), (33, 572404), (42, 449746), (44, 429303), (66, 286202), (77, 245316), (84, 224873), (132, 143101), (154, 122658), (231, 81772), (308, 61329), (462, 40886), (924, 20443)]