18937954

素因数分解:

$2^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{15199}}^1$

素因数の和:15297

約数の個数: 16

約数和(自身を含む): 32832000

約数和(自身を除く): 13894046

約数列:

[1, 2, 7, 14, 89, 178, 623, 1246, 15199, 30398, 106393, 212786, 1352711, 2705422, 9468977, 18937954]

約数ペア:

[(1, 18937954), (2, 9468977), (7, 2705422), (14, 1352711), (89, 212786), (178, 106393), (623, 30398), (1246, 15199)]