19488430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149911}}^1$

素因数の和:149931

約数の個数: 16

約数和(自身を含む): 37777824

約数和(自身を除く): 18289394

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 149911, 299822, 749555, 1499110, 1948843, 3897686, 9744215, 19488430]

約数ペア:

[(1, 19488430), (2, 9744215), (5, 3897686), (10, 1948843), (13, 1499110), (26, 749555), (65, 299822), (130, 149911)]