19434680

素因数分解:

$2^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{929}}^1$

素因数の和:1463

約数の個数: 32

約数和(自身を含む): 43858800

約数和(自身を除く): 24424120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 523, 929, 1046, 1858, 2092, 2615, 3716, 4184, 4645, 5230, 7432, 9290, 10460, 18580, 20920, 37160, 485867, 971734, 1943468, 2429335, 3886936, 4858670, 9717340, 19434680]

約数ペア:

[(1, 19434680), (2, 9717340), (4, 4858670), (5, 3886936), (8, 2429335), (10, 1943468), (20, 971734), (40, 485867), (523, 37160), (929, 20920), (1046, 18580), (1858, 10460), (2092, 9290), (2615, 7432), (3716, 5230), (4184, 4645)]