19560904

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{199}}^1\times {\mathrm{1117}}^1$

素因数の和:1333

約数の個数: 32

約数和(自身を含む): 40248000

約数和(自身を除く): 20687096

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 199, 398, 796, 1117, 1592, 2189, 2234, 4378, 4468, 8756, 8936, 12287, 17512, 24574, 49148, 98296, 222283, 444566, 889132, 1778264, 2445113, 4890226, 9780452, 19560904]

約数ペア:

[(1, 19560904), (2, 9780452), (4, 4890226), (8, 2445113), (11, 1778264), (22, 889132), (44, 444566), (88, 222283), (199, 98296), (398, 49148), (796, 24574), (1117, 17512), (1592, 12287), (2189, 8936), (2234, 8756), (4378, 4468)]