19977386

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3037}}^1$

素因数の和:3086

約数の個数: 32

約数和(自身を含む): 36747648

約数和(自身を除く): 16770262

約数列:

[1, 2, 11, 13, 22, 23, 26, 46, 143, 253, 286, 299, 506, 598, 3037, 3289, 6074, 6578, 33407, 39481, 66814, 69851, 78962, 139702, 434291, 768361, 868582, 908063, 1536722, 1816126, 9988693, 19977386]

約数ペア:

[(1, 19977386), (2, 9988693), (11, 1816126), (13, 1536722), (22, 908063), (23, 868582), (26, 768361), (46, 434291), (143, 139702), (253, 78962), (286, 69851), (299, 66814), (506, 39481), (598, 33407), (3037, 6578), (3289, 6074)]