18895696

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51347}}^1$

素因数の和:51378

約数の個数: 20

約数和(自身を含む): 38202912

約数和(自身を除く): 19307216

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51347, 102694, 205388, 410776, 821552, 1180981, 2361962, 4723924, 9447848, 18895696]

約数ペア:

[(1, 18895696), (2, 9447848), (4, 4723924), (8, 2361962), (16, 1180981), (23, 821552), (46, 410776), (92, 205388), (184, 102694), (368, 51347)]