18898418

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:447

約数の個数: 48

約数和(自身を含む): 36837504

約数和(自身を除く): 17939086

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 77, 94, 98, 154, 329, 373, 517, 539, 658, 746, 1034, 1078, 2303, 2611, 3619, 4103, 4606, 5222, 7238, 8206, 17531, 18277, 25333, 28721, 35062, 36554, 50666, 57442, 122717, 192841, 201047, 245434, 385682, 402094, 859019, 1349887, 1718038, 2699774, 9449209, 18898418]

約数ペア:

[(1, 18898418), (2, 9449209), (7, 2699774), (11, 1718038), (14, 1349887), (22, 859019), (47, 402094), (49, 385682), (77, 245434), (94, 201047), (98, 192841), (154, 122717), (329, 57442), (373, 50666), (517, 36554), (539, 35062), (658, 28721), (746, 25333), (1034, 18277), (1078, 17531), (2303, 8206), (2611, 7238), (3619, 5222), (4103, 4606)]