19138833

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{271}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 33945600

約数和(自身を除く): 14806767

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 271, 399, 413, 531, 813, 1121, 1197, 1239, 1897, 2439, 3363, 3717, 5149, 5691, 7847, 10089, 15447, 15989, 17073, 23541, 36043, 46341, 47967, 70623, 108129, 111923, 143901, 303791, 324387, 335769, 911373, 1007307, 2126537, 2734119, 6379611, 19138833]

約数ペア:

[(1, 19138833), (3, 6379611), (7, 2734119), (9, 2126537), (19, 1007307), (21, 911373), (57, 335769), (59, 324387), (63, 303791), (133, 143901), (171, 111923), (177, 108129), (271, 70623), (399, 47967), (413, 46341), (531, 36043), (813, 23541), (1121, 17073), (1197, 15989), (1239, 15447), (1897, 10089), (2439, 7847), (3363, 5691), (3717, 5149)]