20121615018

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{306349}}^1$

素因数の和:306487

約数の個数: 48

約数和(自身を含む): 45162117000

約数和(自身を除く): 25040501982

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 89, 123, 178, 246, 267, 369, 534, 738, 801, 1602, 3649, 7298, 10947, 21894, 32841, 65682, 306349, 612698, 919047, 1838094, 2757141, 5514282, 12560309, 25120618, 27265061, 37680927, 54530122, 75361854, 81795183, 113042781, 163590366, 226085562, 245385549, 490771098, 1117867501, 2235735002, 3353602503, 6707205006, 10060807509, 20121615018]

約数ペア:

[(1, 20121615018), (2, 10060807509), (3, 6707205006), (6, 3353602503), (9, 2235735002), (18, 1117867501), (41, 490771098), (82, 245385549), (89, 226085562), (123, 163590366), (178, 113042781), (246, 81795183), (267, 75361854), (369, 54530122), (534, 37680927), (738, 27265061), (801, 25120618), (1602, 12560309), (3649, 5514282), (7298, 2757141), (10947, 1838094), (21894, 919047), (32841, 612698), (65682, 306349)]