18997870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:624

約数の個数: 32

約数和(自身を含む): 35417088

約数和(自身を除く): 16419218

約数列:

[1, 2, 5, 10, 47, 83, 94, 166, 235, 415, 470, 487, 830, 974, 2435, 3901, 4870, 7802, 19505, 22889, 39010, 40421, 45778, 80842, 114445, 202105, 228890, 404210, 1899787, 3799574, 9498935, 18997870]

約数ペア:

[(1, 18997870), (2, 9498935), (5, 3799574), (10, 1899787), (47, 404210), (83, 228890), (94, 202105), (166, 114445), (235, 80842), (415, 45778), (470, 40421), (487, 39010), (830, 22889), (974, 19505), (2435, 7802), (3901, 4870)]