19942440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23741}}^1$

素因数の和:23762

約数の個数: 64

約数和(自身を含む): 68376960

約数和(自身を除く): 48434520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23741, 47482, 71223, 94964, 118705, 142446, 166187, 189928, 237410, 284892, 332374, 356115, 474820, 498561, 569784, 664748, 712230, 830935, 949640, 997122, 1329496, 1424460, 1661870, 1994244, 2492805, 2848920, 3323740, 3988488, 4985610, 6647480, 9971220, 19942440]

約数ペア:

[(1, 19942440), (2, 9971220), (3, 6647480), (4, 4985610), (5, 3988488), (6, 3323740), (7, 2848920), (8, 2492805), (10, 1994244), (12, 1661870), (14, 1424460), (15, 1329496), (20, 997122), (21, 949640), (24, 830935), (28, 712230), (30, 664748), (35, 569784), (40, 498561), (42, 474820), (56, 356115), (60, 332374), (70, 284892), (84, 237410), (105, 189928), (120, 166187), (140, 142446), (168, 118705), (210, 94964), (280, 71223), (420, 47482), (840, 23741)]