18733554

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{947}}^1$

素因数の和:1119

約数の個数: 48

約数和(自身を含む): 46732608

約数和(自身を除く): 27999054

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 157, 314, 471, 942, 947, 1099, 1413, 1894, 2198, 2826, 2841, 3297, 5682, 6594, 6629, 8523, 9891, 13258, 17046, 19782, 19887, 39774, 59661, 119322, 148679, 297358, 446037, 892074, 1040753, 1338111, 2081506, 2676222, 3122259, 6244518, 9366777, 18733554]

約数ペア:

[(1, 18733554), (2, 9366777), (3, 6244518), (6, 3122259), (7, 2676222), (9, 2081506), (14, 1338111), (18, 1040753), (21, 892074), (42, 446037), (63, 297358), (126, 148679), (157, 119322), (314, 59661), (471, 39774), (942, 19887), (947, 19782), (1099, 17046), (1413, 13258), (1894, 9891), (2198, 8523), (2826, 6629), (2841, 6594), (3297, 5682)]