19437621

素因数分解:

$3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{6659}}^1$

素因数の和:6808

約数の個数: 16

約数和(自身を含む): 29836800

約数和(自身を除く): 10399179

約数列:

[1, 3, 7, 21, 139, 417, 973, 2919, 6659, 19977, 46613, 139839, 925601, 2776803, 6479207, 19437621]

約数ペア:

[(1, 19437621), (3, 6479207), (7, 2776803), (21, 925601), (139, 139839), (417, 46613), (973, 19977), (2919, 6659)]