19805552

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95219}}^1$

素因数の和:95240

約数の個数: 20

約数和(自身を含む): 41325480

約数和(自身を除く): 21519928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95219, 190438, 380876, 761752, 1237847, 1523504, 2475694, 4951388, 9902776, 19805552]

約数ペア:

[(1, 19805552), (2, 9902776), (4, 4951388), (8, 2475694), (13, 1523504), (16, 1237847), (26, 761752), (52, 380876), (104, 190438), (208, 95219)]