18996938

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1\times {\mathrm{809}}^1$

素因数の和:1069

約数の個数: 16

約数和(自身を含む): 29160000

約数和(自身を除く): 10163062

約数列:

[1, 2, 59, 118, 199, 398, 809, 1618, 11741, 23482, 47731, 95462, 160991, 321982, 9498469, 18996938]

約数ペア:

[(1, 18996938), (2, 9498469), (59, 321982), (118, 160991), (199, 95462), (398, 47731), (809, 23482), (1618, 11741)]