19980230539

素因数分解:

${\mathrm{19}}^2\times {\mathrm{1259}}^1\times {\mathrm{43961}}^1$

素因数の和:45258

約数の個数: 12

約数和(自身を含む): 21104397720

約数和(自身を除く): 1124167181

約数列:

[1, 19, 361, 1259, 23921, 43961, 454499, 835259, 15869921, 55346899, 1051591081, 19980230539]

約数ペア:

[(1, 19980230539), (19, 1051591081), (361, 55346899), (1259, 15869921), (23921, 835259), (43961, 454499)]