19220305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 26611200

約数和(自身を除く): 7390895

約数列:

[1, 5, 13, 19, 65, 79, 95, 197, 247, 395, 985, 1027, 1235, 1501, 2561, 3743, 5135, 7505, 12805, 15563, 18715, 19513, 48659, 77815, 97565, 202319, 243295, 295697, 1011595, 1478485, 3844061, 19220305]

約数ペア:

[(1, 19220305), (5, 3844061), (13, 1478485), (19, 1011595), (65, 295697), (79, 243295), (95, 202319), (197, 97565), (247, 77815), (395, 48659), (985, 19513), (1027, 18715), (1235, 15563), (1501, 12805), (2561, 7505), (3743, 5135)]