19674896

素因数分解:

$2^4\times {\mathrm{617}}^1\times {\mathrm{1993}}^1$

素因数の和:2618

約数の個数: 20

約数和(自身を含む): 38201052

約数和(自身を除く): 18526156

約数列:

[1, 2, 4, 8, 16, 617, 1234, 1993, 2468, 3986, 4936, 7972, 9872, 15944, 31888, 1229681, 2459362, 4918724, 9837448, 19674896]

約数ペア:

[(1, 19674896), (2, 9837448), (4, 4918724), (8, 2459362), (16, 1229681), (617, 31888), (1234, 15944), (1993, 9872), (2468, 7972), (3986, 4936)]