19963372

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2053}}^1$

素因数の和:2098

約数の個数: 48

約数和(自身を含む): 43479072

約数和(自身を除く): 23515700

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2053, 2431, 4106, 4862, 8212, 9724, 22583, 26689, 34901, 45166, 53378, 69802, 90332, 106756, 139604, 293579, 383911, 453713, 587158, 767822, 907426, 1174316, 1535644, 1814852, 4990843, 9981686, 19963372]

約数ペア:

[(1, 19963372), (2, 9981686), (4, 4990843), (11, 1814852), (13, 1535644), (17, 1174316), (22, 907426), (26, 767822), (34, 587158), (44, 453713), (52, 383911), (68, 293579), (143, 139604), (187, 106756), (221, 90332), (286, 69802), (374, 53378), (442, 45166), (572, 34901), (748, 26689), (884, 22583), (2053, 9724), (2431, 8212), (4106, 4862)]