28849676

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{19979}}^1$

素因数の和:20021

約数の個数: 18

約数和(自身を含む): 53286660

約数和(自身を除く): 24436984

約数列:

[1, 2, 4, 19, 38, 76, 361, 722, 1444, 19979, 39958, 79916, 379601, 759202, 1518404, 7212419, 14424838, 28849676]

約数ペア:

[(1, 28849676), (2, 14424838), (4, 7212419), (19, 1518404), (38, 759202), (76, 379601), (361, 79916), (722, 39958), (1444, 19979)]