19745414

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{1163}}^1$

素因数の和:1831

約数の個数: 16

約数和(自身を含む): 31972752

約数和(自身を除く): 12227338

約数列:

[1, 2, 13, 26, 653, 1163, 1306, 2326, 8489, 15119, 16978, 30238, 759439, 1518878, 9872707, 19745414]

約数ペア:

[(1, 19745414), (2, 9872707), (13, 1518878), (26, 759439), (653, 30238), (1163, 16978), (1306, 15119), (2326, 8489)]