18991880679

素因数分解:

$3^1\times {\mathrm{641}}^1\times {\mathrm{2711}}^1\times {\mathrm{3643}}^1$

素因数の和:6998

約数の個数: 16

約数和(自身を含む): 25378331904

約数和(自身を除く): 6386451225

約数列:

[1, 3, 641, 1923, 2711, 3643, 8133, 10929, 1737751, 2335163, 5213253, 7005489, 9876173, 29628519, 6330626893, 18991880679]

約数ペア:

[(1, 18991880679), (3, 6330626893), (641, 29628519), (1923, 9876173), (2711, 7005489), (3643, 5213253), (8133, 2335163), (10929, 1737751)]