2019908990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{798383}}^1$

素因数の和:798424

約数の個数: 32

約数和(自身を含む): 4138822656

約数和(自身を除く): 2118913666

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 798383, 1596766, 3991915, 7983830, 8782213, 17564426, 18362809, 36725618, 43911065, 87822130, 91814045, 183628090, 201990899, 403981798, 1009954495, 2019908990]

約数ペア:

[(1, 2019908990), (2, 1009954495), (5, 403981798), (10, 201990899), (11, 183628090), (22, 91814045), (23, 87822130), (46, 43911065), (55, 36725618), (110, 18362809), (115, 17564426), (230, 8782213), (253, 7983830), (506, 3991915), (1265, 1596766), (2530, 798383)]