19091956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{643}}^1$

素因数の和:1231

約数の個数: 24

約数和(自身を含む): 36100064

約数和(自身を除く): 17008108

約数列:

[1, 2, 4, 13, 26, 52, 571, 643, 1142, 1286, 2284, 2572, 7423, 8359, 14846, 16718, 29692, 33436, 367153, 734306, 1468612, 4772989, 9545978, 19091956]

約数ペア:

[(1, 19091956), (2, 9545978), (4, 4772989), (13, 1468612), (26, 734306), (52, 367153), (571, 33436), (643, 29692), (1142, 16718), (1286, 14846), (2284, 8359), (2572, 7423)]