18738994

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{641}}^1$

素因数の和:1001

約数の個数: 16

約数和(自身を含む): 28843776

約数和(自身を除く): 10104782

約数列:

[1, 2, 47, 94, 311, 622, 641, 1282, 14617, 29234, 30127, 60254, 199351, 398702, 9369497, 18738994]

約数ペア:

[(1, 18738994), (2, 9369497), (47, 398702), (94, 199351), (311, 60254), (622, 30127), (641, 29234), (1282, 14617)]