19508421

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{2297}}^1$

素因数の和:2468

約数の個数: 16

約数和(自身を含む): 27576000

約数和(自身を除く): 8067579

約数列:

[1, 3, 19, 57, 149, 447, 2297, 2831, 6891, 8493, 43643, 130929, 342253, 1026759, 6502807, 19508421]

約数ペア:

[(1, 19508421), (3, 6502807), (19, 1026759), (57, 342253), (149, 130929), (447, 43643), (2297, 8493), (2831, 6891)]