19166972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{227}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 19903108

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 101, 202, 209, 227, 404, 418, 454, 836, 908, 1111, 1919, 2222, 2497, 3838, 4313, 4444, 4994, 7676, 8626, 9988, 17252, 21109, 22927, 42218, 45854, 47443, 84436, 91708, 94886, 189772, 252197, 435613, 504394, 871226, 1008788, 1742452, 4791743, 9583486, 19166972]

約数ペア:

[(1, 19166972), (2, 9583486), (4, 4791743), (11, 1742452), (19, 1008788), (22, 871226), (38, 504394), (44, 435613), (76, 252197), (101, 189772), (202, 94886), (209, 91708), (227, 84436), (404, 47443), (418, 45854), (454, 42218), (836, 22927), (908, 21109), (1111, 17252), (1919, 9988), (2222, 8626), (2497, 7676), (3838, 4994), (4313, 4444)]