19490224

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{93703}}^1$

素因数の和:93724

約数の個数: 20

約数和(自身を含む): 40667536

約数和(自身を除く): 21177312

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 93703, 187406, 374812, 749624, 1218139, 1499248, 2436278, 4872556, 9745112, 19490224]

約数ペア:

[(1, 19490224), (2, 9745112), (4, 4872556), (8, 2436278), (13, 1499248), (16, 1218139), (26, 749624), (52, 374812), (104, 187406), (208, 93703)]