19854786

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{4337}}^1$

素因数の和:4458

約数の個数: 32

約数和(自身を含む): 45809280

約数和(自身を除く): 25954494

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 109, 218, 327, 654, 763, 1526, 2289, 4337, 4578, 8674, 13011, 26022, 30359, 60718, 91077, 182154, 472733, 945466, 1418199, 2836398, 3309131, 6618262, 9927393, 19854786]

約数ペア:

[(1, 19854786), (2, 9927393), (3, 6618262), (6, 3309131), (7, 2836398), (14, 1418199), (21, 945466), (42, 472733), (109, 182154), (218, 91077), (327, 60718), (654, 30359), (763, 26022), (1526, 13011), (2289, 8674), (4337, 4578)]