19299213

素因数分解:

$3^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 28554240

約数和(自身を除く): 9255027

約数列:

[1, 3, 9, 103, 109, 191, 309, 327, 573, 927, 981, 1719, 11227, 19673, 20819, 33681, 59019, 62457, 101043, 177057, 187371, 2144357, 6433071, 19299213]

約数ペア:

[(1, 19299213), (3, 6433071), (9, 2144357), (103, 187371), (109, 177057), (191, 101043), (309, 62457), (327, 59019), (573, 33681), (927, 20819), (981, 19673), (1719, 11227)]