38720404

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1021}}^1$

素因数の和:1543

約数の個数: 24

約数和(自身を含む): 71540000

約数和(自身を除く): 32819596

約数列:

[1, 2, 4, 19, 38, 76, 499, 998, 1021, 1996, 2042, 4084, 9481, 18962, 19399, 37924, 38798, 77596, 509479, 1018958, 2037916, 9680101, 19360202, 38720404]

約数ペア:

[(1, 38720404), (2, 19360202), (4, 9680101), (19, 2037916), (38, 1018958), (76, 509479), (499, 77596), (998, 38798), (1021, 37924), (1996, 19399), (2042, 18962), (4084, 9481)]