19493280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13537}}^1$

素因数の和:13558

約数の個数: 72

約数和(自身を含む): 66525732

約数和(自身を除く): 47032452

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 13537, 27074, 40611, 54148, 67685, 81222, 108296, 121833, 135370, 162444, 203055, 216592, 243666, 270740, 324888, 406110, 433184, 487332, 541480, 609165, 649776, 812220, 974664, 1082960, 1218330, 1299552, 1624440, 1949328, 2165920, 2436660, 3248880, 3898656, 4873320, 6497760, 9746640, 19493280]

約数ペア:

[(1, 19493280), (2, 9746640), (3, 6497760), (4, 4873320), (5, 3898656), (6, 3248880), (8, 2436660), (9, 2165920), (10, 1949328), (12, 1624440), (15, 1299552), (16, 1218330), (18, 1082960), (20, 974664), (24, 812220), (30, 649776), (32, 609165), (36, 541480), (40, 487332), (45, 433184), (48, 406110), (60, 324888), (72, 270740), (80, 243666), (90, 216592), (96, 203055), (120, 162444), (144, 135370), (160, 121833), (180, 108296), (240, 81222), (288, 67685), (360, 54148), (480, 40611), (720, 27074), (1440, 13537)]