19438672

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{5813}}^1$

素因数の和:5851

約数の個数: 40

約数和(自身を含む): 43256160

約数和(自身を除く): 23817488

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 38, 44, 76, 88, 152, 176, 209, 304, 418, 836, 1672, 3344, 5813, 11626, 23252, 46504, 63943, 93008, 110447, 127886, 220894, 255772, 441788, 511544, 883576, 1023088, 1214917, 1767152, 2429834, 4859668, 9719336, 19438672]

約数ペア:

[(1, 19438672), (2, 9719336), (4, 4859668), (8, 2429834), (11, 1767152), (16, 1214917), (19, 1023088), (22, 883576), (38, 511544), (44, 441788), (76, 255772), (88, 220894), (152, 127886), (176, 110447), (209, 93008), (304, 63943), (418, 46504), (836, 23252), (1672, 11626), (3344, 5813)]