18956548

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{3407}}^1$

素因数の和:3531

約数の個数: 24

約数和(自身を含む): 36070272

約数和(自身を除く): 17113724

約数列:

[1, 2, 4, 13, 26, 52, 107, 214, 428, 1391, 2782, 3407, 5564, 6814, 13628, 44291, 88582, 177164, 364549, 729098, 1458196, 4739137, 9478274, 18956548]

約数ペア:

[(1, 18956548), (2, 9478274), (4, 4739137), (13, 1458196), (26, 729098), (52, 364549), (107, 177164), (214, 88582), (428, 44291), (1391, 13628), (2782, 6814), (3407, 5564)]