18886994

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19001}}^1$

素因数の和:19081

約数の個数: 16

約数和(自身を含む): 32835456

約数和(自身を除く): 13948462

約数列:

[1, 2, 7, 14, 71, 142, 497, 994, 19001, 38002, 133007, 266014, 1349071, 2698142, 9443497, 18886994]

約数ペア:

[(1, 18886994), (2, 9443497), (7, 2698142), (14, 1349071), (71, 266014), (142, 133007), (497, 38002), (994, 19001)]