18970768

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{51551}}^1$

素因数の和:51582

約数の個数: 20

約数和(自身を含む): 38354688

約数和(自身を除く): 19383920

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 51551, 103102, 206204, 412408, 824816, 1185673, 2371346, 4742692, 9485384, 18970768]

約数ペア:

[(1, 18970768), (2, 9485384), (4, 4742692), (8, 2371346), (16, 1185673), (23, 824816), (46, 412408), (92, 206204), (184, 103102), (368, 51551)]