19809712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{95239}}^1$

素因数の和:95260

約数の個数: 20

約数和(自身を含む): 41334160

約数和(自身を除く): 21524448

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 95239, 190478, 380956, 761912, 1238107, 1523824, 2476214, 4952428, 9904856, 19809712]

約数ペア:

[(1, 19809712), (2, 9904856), (4, 4952428), (8, 2476214), (13, 1523824), (16, 1238107), (26, 761912), (52, 380956), (104, 190478), (208, 95239)]