19503393

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:581

約数の個数: 32

約数和(自身を含む): 32256000

約数和(自身を除く): 12752607

約数列:

[1, 3, 7, 13, 21, 39, 91, 199, 273, 359, 597, 1077, 1393, 2513, 2587, 4179, 4667, 7539, 7761, 14001, 18109, 32669, 54327, 71441, 98007, 214323, 500087, 928733, 1500261, 2786199, 6501131, 19503393]

約数ペア:

[(1, 19503393), (3, 6501131), (7, 2786199), (13, 1500261), (21, 928733), (39, 500087), (91, 214323), (199, 98007), (273, 71441), (359, 54327), (597, 32669), (1077, 18109), (1393, 14001), (2513, 7761), (2587, 7539), (4179, 4667)]