20139218

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{19477}}^1$

素因数の和:19537

約数の個数: 16

約数和(自身を含む): 33657984

約数和(自身を除く): 13518766

約数列:

[1, 2, 11, 22, 47, 94, 517, 1034, 19477, 38954, 214247, 428494, 915419, 1830838, 10069609, 20139218]

約数ペア:

[(1, 20139218), (2, 10069609), (11, 1830838), (22, 915419), (47, 428494), (94, 214247), (517, 38954), (1034, 19477)]