19957326

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{25391}}^1$

素因数の和:25527

約数の個数: 16

約数和(自身を含む): 40220928

約数和(自身を除く): 20263602

約数列:

[1, 2, 3, 6, 131, 262, 393, 786, 25391, 50782, 76173, 152346, 3326221, 6652442, 9978663, 19957326]

約数ペア:

[(1, 19957326), (2, 9978663), (3, 6652442), (6, 3326221), (131, 152346), (262, 76173), (393, 50782), (786, 25391)]