19712944

素因数分解:

$2^4\times {\mathrm{761}}^1\times {\mathrm{1619}}^1$

素因数の和:2388

約数の個数: 20

約数和(自身を含む): 38267640

約数和(自身を除く): 18554696

約数列:

[1, 2, 4, 8, 16, 761, 1522, 1619, 3044, 3238, 6088, 6476, 12176, 12952, 25904, 1232059, 2464118, 4928236, 9856472, 19712944]

約数ペア:

[(1, 19712944), (2, 9856472), (4, 4928236), (8, 2464118), (16, 1232059), (761, 25904), (1522, 12952), (1619, 12176), (3044, 6476), (3238, 6088)]