19581094

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{5749}}^1$

素因数の和:5895

約数の個数: 16

約数和(自身を含む): 31878000

約数和(自身を除く): 12296906

約数列:

[1, 2, 13, 26, 131, 262, 1703, 3406, 5749, 11498, 74737, 149474, 753119, 1506238, 9790547, 19581094]

約数ペア:

[(1, 19581094), (2, 9790547), (13, 1506238), (26, 753119), (131, 149474), (262, 74737), (1703, 11498), (3406, 5749)]