19939946152

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{5015077}}^1$

素因数の和:5015161

約数の個数: 32

約数和(自身を含む): 43330273920

約数和(自身を除く): 23390327768

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 5015077, 10030154, 20060308, 35105539, 40120616, 70211078, 140422156, 280844312, 356070467, 712140934, 1424281868, 2492493269, 2848563736, 4984986538, 9969973076, 19939946152]

約数ペア:

[(1, 19939946152), (2, 9969973076), (4, 4984986538), (7, 2848563736), (8, 2492493269), (14, 1424281868), (28, 712140934), (56, 356070467), (71, 280844312), (142, 140422156), (284, 70211078), (497, 40120616), (568, 35105539), (994, 20060308), (1988, 10030154), (3976, 5015077)]