19620604

素因数分解:

$2^2\times {\mathrm{157}}^2\times {\mathrm{199}}^1$

素因数の和:517

約数の個数: 18

約数和(自身を含む): 34729800

約数和(自身を除く): 15109196

約数列:

[1, 2, 4, 157, 199, 314, 398, 628, 796, 24649, 31243, 49298, 62486, 98596, 124972, 4905151, 9810302, 19620604]

約数ペア:

[(1, 19620604), (2, 9810302), (4, 4905151), (157, 124972), (199, 98596), (314, 62486), (398, 49298), (628, 31243), (796, 24649)]