19981514

素因数分解:

$2^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{4973}}^1$

素因数の和:5030

約数の個数: 24

約数和(自身を含む): 35723268

約数和(自身を除く): 15741754

約数列:

[1, 2, 7, 14, 41, 49, 82, 98, 287, 574, 2009, 4018, 4973, 9946, 34811, 69622, 203893, 243677, 407786, 487354, 1427251, 2854502, 9990757, 19981514]

約数ペア:

[(1, 19981514), (2, 9990757), (7, 2854502), (14, 1427251), (41, 487354), (49, 407786), (82, 243677), (98, 203893), (287, 69622), (574, 34811), (2009, 9946), (4018, 4973)]