18005350

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1723}}^1$

素因数の和:1765

約数の個数: 48

約数和(自身を含む): 38479680

約数和(自身を除く): 20474330

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 190, 209, 275, 418, 475, 550, 950, 1045, 1723, 2090, 3446, 5225, 8615, 10450, 17230, 18953, 32737, 37906, 43075, 65474, 86150, 94765, 163685, 189530, 327370, 360107, 473825, 720214, 818425, 947650, 1636850, 1800535, 3601070, 9002675, 18005350]

約数ペア:

[(1, 18005350), (2, 9002675), (5, 3601070), (10, 1800535), (11, 1636850), (19, 947650), (22, 818425), (25, 720214), (38, 473825), (50, 360107), (55, 327370), (95, 189530), (110, 163685), (190, 94765), (209, 86150), (275, 65474), (418, 43075), (475, 37906), (550, 32737), (950, 18953), (1045, 17230), (1723, 10450), (2090, 8615), (3446, 5225)]