19991008

素因数分解:

$2^5\times {\mathrm{457}}^1\times {\mathrm{1367}}^1$

素因数の和:1834

約数の個数: 24

約数和(自身を含む): 39472272

約数和(自身を除く): 19481264

約数列:

[1, 2, 4, 8, 16, 32, 457, 914, 1367, 1828, 2734, 3656, 5468, 7312, 10936, 14624, 21872, 43744, 624719, 1249438, 2498876, 4997752, 9995504, 19991008]

約数ペア:

[(1, 19991008), (2, 9995504), (4, 4997752), (8, 2498876), (16, 1249438), (32, 624719), (457, 43744), (914, 21872), (1367, 14624), (1828, 10936), (2734, 7312), (3656, 5468)]