18876742

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1\times {\mathrm{1103}}^1$

素因数の和:1347

約数の個数: 16

約数和(自身を含む): 29145600

約数和(自身を除く): 10268858

約数列:

[1, 2, 43, 86, 199, 398, 1103, 2206, 8557, 17114, 47429, 94858, 219497, 438994, 9438371, 18876742]

約数ペア:

[(1, 18876742), (2, 9438371), (43, 438994), (86, 219497), (199, 94858), (398, 47429), (1103, 17114), (2206, 8557)]