19702384

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{94723}}^1$

素因数の和:94744

約数の個数: 20

約数和(自身を含む): 41110216

約数和(自身を除く): 21407832

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 94723, 189446, 378892, 757784, 1231399, 1515568, 2462798, 4925596, 9851192, 19702384]

約数ペア:

[(1, 19702384), (2, 9851192), (4, 4925596), (8, 2462798), (13, 1515568), (16, 1231399), (26, 757784), (52, 378892), (104, 189446), (208, 94723)]