18842220

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{3877}}^1$

素因数の和:3901

約数の個数: 72

約数和(自身を含む): 59286864

約数和(自身を除く): 40444644

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 3877, 4860, 7754, 11631, 15508, 19385, 23262, 34893, 38770, 46524, 58155, 69786, 77540, 104679, 116310, 139572, 174465, 209358, 232620, 314037, 348930, 418716, 523395, 628074, 697860, 942111, 1046790, 1256148, 1570185, 1884222, 2093580, 3140370, 3768444, 4710555, 6280740, 9421110, 18842220]

約数ペア:

[(1, 18842220), (2, 9421110), (3, 6280740), (4, 4710555), (5, 3768444), (6, 3140370), (9, 2093580), (10, 1884222), (12, 1570185), (15, 1256148), (18, 1046790), (20, 942111), (27, 697860), (30, 628074), (36, 523395), (45, 418716), (54, 348930), (60, 314037), (81, 232620), (90, 209358), (108, 174465), (135, 139572), (162, 116310), (180, 104679), (243, 77540), (270, 69786), (324, 58155), (405, 46524), (486, 38770), (540, 34893), (810, 23262), (972, 19385), (1215, 15508), (1620, 11631), (2430, 7754), (3877, 4860)]