19185243

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{157}}^1$

素因数の和:224

約数の個数: 48

約数和(自身を含む): 33551616

約数和(自身を除く): 14366373

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 157, 161, 231, 253, 471, 483, 529, 759, 1099, 1587, 1727, 1771, 3297, 3611, 3703, 5181, 5313, 5819, 10833, 11109, 12089, 17457, 25277, 36267, 39721, 40733, 75831, 83053, 119163, 122199, 249159, 278047, 581371, 834141, 913583, 1744113, 2740749, 6395081, 19185243]

約数ペア:

[(1, 19185243), (3, 6395081), (7, 2740749), (11, 1744113), (21, 913583), (23, 834141), (33, 581371), (69, 278047), (77, 249159), (157, 122199), (161, 119163), (231, 83053), (253, 75831), (471, 40733), (483, 39721), (529, 36267), (759, 25277), (1099, 17457), (1587, 12089), (1727, 11109), (1771, 10833), (3297, 5819), (3611, 5313), (3703, 5181)]