2019903010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1\times {\mathrm{9901}}^1$

素因数の和:10818

約数の個数: 32

約数和(自身を含む): 3798565632

約数和(自身を除く): 1778662622

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 887, 1774, 4435, 8870, 9901, 19802, 20401, 40802, 49505, 99010, 102005, 204010, 227723, 455446, 1138615, 2277230, 8782187, 17564374, 43910935, 87821870, 201990301, 403980602, 1009951505, 2019903010]

約数ペア:

[(1, 2019903010), (2, 1009951505), (5, 403980602), (10, 201990301), (23, 87821870), (46, 43910935), (115, 17564374), (230, 8782187), (887, 2277230), (1774, 1138615), (4435, 455446), (8870, 227723), (9901, 204010), (19802, 102005), (20401, 99010), (40802, 49505)]