19701448

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{189437}}^1$

素因数の和:189456

約数の個数: 16

約数和(自身を含む): 39781980

約数和(自身を除く): 20080532

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 189437, 378874, 757748, 1515496, 2462681, 4925362, 9850724, 19701448]

約数ペア:

[(1, 19701448), (2, 9850724), (4, 4925362), (8, 2462681), (13, 1515496), (26, 757748), (52, 378874), (104, 189437)]