19246340

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{3659}}^1$

素因数の和:3931

約数の個数: 24

約数和(自身を含む): 40582080

約数和(自身を除く): 21335740

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 3659, 5260, 7318, 14636, 18295, 36590, 73180, 962317, 1924634, 3849268, 4811585, 9623170, 19246340]

約数ペア:

[(1, 19246340), (2, 9623170), (4, 4811585), (5, 3849268), (10, 1924634), (20, 962317), (263, 73180), (526, 36590), (1052, 18295), (1315, 14636), (2630, 7318), (3659, 5260)]