19394165063

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{20123}}^1$

素因数の和:20256

約数の個数: 48

約数和(自身を含む): 26015502240

約数和(自身を除く): 6621337177

約数列:

[1, 7, 13, 17, 49, 89, 91, 119, 221, 623, 637, 833, 1157, 1513, 1547, 4361, 8099, 10591, 10829, 19669, 20123, 56693, 74137, 137683, 140861, 261599, 342091, 963781, 986027, 1790947, 1831193, 2394637, 4447183, 12536629, 12818351, 16762459, 23282311, 30446099, 31130281, 87756403, 162976177, 213122693, 217911967, 395799287, 1140833239, 1491858851, 2770595009, 19394165063]

約数ペア:

[(1, 19394165063), (7, 2770595009), (13, 1491858851), (17, 1140833239), (49, 395799287), (89, 217911967), (91, 213122693), (119, 162976177), (221, 87756403), (623, 31130281), (637, 30446099), (833, 23282311), (1157, 16762459), (1513, 12818351), (1547, 12536629), (4361, 4447183), (8099, 2394637), (10591, 1831193), (10829, 1790947), (19669, 986027), (20123, 963781), (56693, 342091), (74137, 261599), (137683, 140861)]