18919852

素因数分解:

$2^2\times 7^1\times {\mathrm{541}}^1\times {\mathrm{1249}}^1$

素因数の和:1801

約数の個数: 24

約数和(自身を含む): 37940000

約数和(自身を除く): 19020148

約数列:

[1, 2, 4, 7, 14, 28, 541, 1082, 1249, 2164, 2498, 3787, 4996, 7574, 8743, 15148, 17486, 34972, 675709, 1351418, 2702836, 4729963, 9459926, 18919852]

約数ペア:

[(1, 18919852), (2, 9459926), (4, 4729963), (7, 2702836), (14, 1351418), (28, 675709), (541, 34972), (1082, 17486), (1249, 15148), (2164, 8743), (2498, 7574), (3787, 4996)]