19490384

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{52963}}^1$

素因数の和:52994

約数の個数: 20

約数和(自身を含む): 39405216

約数和(自身を除く): 19914832

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 52963, 105926, 211852, 423704, 847408, 1218149, 2436298, 4872596, 9745192, 19490384]

約数ペア:

[(1, 19490384), (2, 9745192), (4, 4872596), (8, 2436298), (16, 1218149), (23, 847408), (46, 423704), (92, 211852), (184, 105926), (368, 52963)]