18847244

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{8429}}^1$

素因数の和:8489

約数の個数: 24

約数和(自身を含む): 36350160

約数和(自身を除く): 17502916

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 8429, 16858, 33716, 109577, 219154, 362447, 438308, 724894, 1449788, 4711811, 9423622, 18847244]

約数ペア:

[(1, 18847244), (2, 9423622), (4, 4711811), (13, 1449788), (26, 724894), (43, 438308), (52, 362447), (86, 219154), (172, 109577), (559, 33716), (1118, 16858), (2236, 8429)]