18082870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7321}}^1$

素因数の和:7360

約数の個数: 32

約数和(自身を含む): 36902880

約数和(自身を除く): 18820010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 7321, 14642, 36605, 73210, 95173, 139099, 190346, 278198, 475865, 695495, 951730, 1390990, 1808287, 3616574, 9041435, 18082870]

約数ペア:

[(1, 18082870), (2, 9041435), (5, 3616574), (10, 1808287), (13, 1390990), (19, 951730), (26, 695495), (38, 475865), (65, 278198), (95, 190346), (130, 139099), (190, 95173), (247, 73210), (494, 36605), (1235, 14642), (2470, 7321)]