19732012

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1289}}^1$

素因数の和:1425

約数の個数: 24

約数和(自身を含む): 35758800

約数和(自身を除く): 16026788

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 1289, 2578, 3827, 5156, 7654, 15308, 55427, 110854, 114721, 221708, 229442, 458884, 4933003, 9866006, 19732012]

約数ペア:

[(1, 19732012), (2, 9866006), (4, 4933003), (43, 458884), (86, 229442), (89, 221708), (172, 114721), (178, 110854), (356, 55427), (1289, 15308), (2578, 7654), (3827, 5156)]