19786067

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{971}}^1$

素因数の和:1090

約数の個数: 16

約数和(自身を含む): 23514624

約数和(自身を除く): 3728557

約数列:

[1, 7, 41, 71, 287, 497, 971, 2911, 6797, 20377, 39811, 68941, 278677, 482587, 2826581, 19786067]

約数ペア:

[(1, 19786067), (7, 2826581), (41, 482587), (71, 278677), (287, 68941), (497, 39811), (971, 20377), (2911, 6797)]