18998930

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{14503}}^1$

素因数の和:14641

約数の個数: 16

約数和(自身を含む): 34461504

約数和(自身を除く): 15462574

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 14503, 29006, 72515, 145030, 1899893, 3799786, 9499465, 18998930]

約数ペア:

[(1, 18998930), (2, 9499465), (5, 3799786), (10, 1899893), (131, 145030), (262, 72515), (655, 29006), (1310, 14503)]