19712358

素因数分解:

$2^1\times 3^2\times {\mathrm{401}}^1\times {\mathrm{2731}}^1$

素因数の和:3140

約数の個数: 24

約数和(自身を含む): 42832296

約数和(自身を除く): 23119938

約数列:

[1, 2, 3, 6, 9, 18, 401, 802, 1203, 2406, 2731, 3609, 5462, 7218, 8193, 16386, 24579, 49158, 1095131, 2190262, 3285393, 6570786, 9856179, 19712358]

約数ペア:

[(1, 19712358), (2, 9856179), (3, 6570786), (6, 3285393), (9, 2190262), (18, 1095131), (401, 49158), (802, 24579), (1203, 16386), (2406, 8193), (2731, 7218), (3609, 5462)]