19381338

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{347}}^1$

素因数の和:491

約数の個数: 48

約数和(自身を含む): 43973280

約数和(自身を除く): 24591942

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 107, 174, 214, 261, 321, 347, 522, 642, 694, 963, 1041, 1926, 2082, 3103, 3123, 6206, 6246, 9309, 10063, 18618, 20126, 27927, 30189, 37129, 55854, 60378, 74258, 90567, 111387, 181134, 222774, 334161, 668322, 1076741, 2153482, 3230223, 6460446, 9690669, 19381338]

約数ペア:

[(1, 19381338), (2, 9690669), (3, 6460446), (6, 3230223), (9, 2153482), (18, 1076741), (29, 668322), (58, 334161), (87, 222774), (107, 181134), (174, 111387), (214, 90567), (261, 74258), (321, 60378), (347, 55854), (522, 37129), (642, 30189), (694, 27927), (963, 20126), (1041, 18618), (1926, 10063), (2082, 9309), (3103, 6246), (3123, 6206)]