19401646

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{461}}^1\times {\mathrm{1913}}^1$

素因数の和:2387

約数の個数: 16

約数和(自身を含む): 31833648

約数和(自身を除く): 12432002

約数列:

[1, 2, 11, 22, 461, 922, 1913, 3826, 5071, 10142, 21043, 42086, 881893, 1763786, 9700823, 19401646]

約数ペア:

[(1, 19401646), (2, 9700823), (11, 1763786), (22, 881893), (461, 42086), (922, 21043), (1913, 10142), (3826, 5071)]