19661744

素因数分解:

$2^4\times {\mathrm{241}}^1\times {\mathrm{5099}}^1$

素因数の和:5348

約数の個数: 20

約数和(自身を含む): 38260200

約数和(自身を除く): 18598456

約数列:

[1, 2, 4, 8, 16, 241, 482, 964, 1928, 3856, 5099, 10198, 20396, 40792, 81584, 1228859, 2457718, 4915436, 9830872, 19661744]

約数ペア:

[(1, 19661744), (2, 9830872), (4, 4915436), (8, 2457718), (16, 1228859), (241, 81584), (482, 40792), (964, 20396), (1928, 10198), (3856, 5099)]