19511590

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{12119}}^1$

素因数の和:12156

約数の個数: 32

約数和(自身を含む): 41886720

約数和(自身を除く): 22375130

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 12119, 24238, 60595, 84833, 121190, 169666, 278737, 424165, 557474, 848330, 1393685, 1951159, 2787370, 3902318, 9755795, 19511590]

約数ペア:

[(1, 19511590), (2, 9755795), (5, 3902318), (7, 2787370), (10, 1951159), (14, 1393685), (23, 848330), (35, 557474), (46, 424165), (70, 278737), (115, 169666), (161, 121190), (230, 84833), (322, 60595), (805, 24238), (1610, 12119)]