19965088

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4363}}^1$

素因数の和:4397

約数の個数: 48

約数和(自身を含む): 46188576

約数和(自身を除く): 26223488

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 32, 44, 52, 88, 104, 143, 176, 208, 286, 352, 416, 572, 1144, 2288, 4363, 4576, 8726, 17452, 34904, 47993, 56719, 69808, 95986, 113438, 139616, 191972, 226876, 383944, 453752, 623909, 767888, 907504, 1247818, 1535776, 1815008, 2495636, 4991272, 9982544, 19965088]

約数ペア:

[(1, 19965088), (2, 9982544), (4, 4991272), (8, 2495636), (11, 1815008), (13, 1535776), (16, 1247818), (22, 907504), (26, 767888), (32, 623909), (44, 453752), (52, 383944), (88, 226876), (104, 191972), (143, 139616), (176, 113438), (208, 95986), (286, 69808), (352, 56719), (416, 47993), (572, 34904), (1144, 17452), (2288, 8726), (4363, 4576)]