19413037

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:828

約数の個数: 16

約数和(自身を含む): 23104512

約数和(自身を除く): 3691475

約数列:

[1, 7, 31, 137, 217, 653, 959, 4247, 4571, 20243, 29729, 89461, 141701, 626227, 2773291, 19413037]

約数ペア:

[(1, 19413037), (7, 2773291), (31, 626227), (137, 141701), (217, 89461), (653, 29729), (959, 20243), (4247, 4571)]