19743490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5237}}^1$

素因数の和:5286

約数の個数: 32

約数和(自身を含む): 39599280

約数和(自身を除く): 19855790

約数列:

[1, 2, 5, 10, 13, 26, 29, 58, 65, 130, 145, 290, 377, 754, 1885, 3770, 5237, 10474, 26185, 52370, 68081, 136162, 151873, 303746, 340405, 680810, 759365, 1518730, 1974349, 3948698, 9871745, 19743490]

約数ペア:

[(1, 19743490), (2, 9871745), (5, 3948698), (10, 1974349), (13, 1518730), (26, 759365), (29, 680810), (58, 340405), (65, 303746), (130, 151873), (145, 136162), (290, 68081), (377, 52370), (754, 26185), (1885, 10474), (3770, 5237)]