18845897

素因数分解:

$7^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1\times {\mathrm{199}}^1$

素因数の和:452

約数の個数: 16

約数和(自身を含む): 22041600

約数和(自身を除く): 3195703

約数列:

[1, 7, 83, 163, 199, 581, 1141, 1393, 13529, 16517, 32437, 94703, 115619, 227059, 2692271, 18845897]

約数ペア:

[(1, 18845897), (7, 2692271), (83, 227059), (163, 115619), (199, 94703), (581, 32437), (1141, 16517), (1393, 13529)]