19895505

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2129}}^1$

素因数の和:2233

約数の個数: 32

約数和(自身を含む): 36806400

約数和(自身を除く): 16910895

約数列:

[1, 3, 5, 7, 15, 21, 35, 89, 105, 267, 445, 623, 1335, 1869, 2129, 3115, 6387, 9345, 10645, 14903, 31935, 44709, 74515, 189481, 223545, 568443, 947405, 1326367, 2842215, 3979101, 6631835, 19895505]

約数ペア:

[(1, 19895505), (3, 6631835), (5, 3979101), (7, 2842215), (15, 1326367), (21, 947405), (35, 568443), (89, 223545), (105, 189481), (267, 74515), (445, 44709), (623, 31935), (1335, 14903), (1869, 10645), (2129, 9345), (3115, 6387)]