19509982

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 32814720

約数和(自身を除く): 13304738

約数列:

[1, 2, 17, 29, 34, 47, 58, 94, 421, 493, 799, 842, 986, 1363, 1598, 2726, 7157, 12209, 14314, 19787, 23171, 24418, 39574, 46342, 207553, 336379, 415106, 573823, 672758, 1147646, 9754991, 19509982]

約数ペア:

[(1, 19509982), (2, 9754991), (17, 1147646), (29, 672758), (34, 573823), (47, 415106), (58, 336379), (94, 207553), (421, 46342), (493, 39574), (799, 24418), (842, 23171), (986, 19787), (1363, 14314), (1598, 12209), (2726, 7157)]