19449808

素因数分解:

$2^4\times 7^1\times {\mathrm{173659}}^1$

素因数の和:173674

約数の個数: 20

約数和(自身を含む): 43067680

約数和(自身を除く): 23617872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 173659, 347318, 694636, 1215613, 1389272, 2431226, 2778544, 4862452, 9724904, 19449808]

約数ペア:

[(1, 19449808), (2, 9724904), (4, 4862452), (7, 2778544), (8, 2431226), (14, 1389272), (16, 1215613), (28, 694636), (56, 347318), (112, 173659)]