390443882

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{540781}}^1$

素因数の和:540821

約数の個数: 12

約数和(自身を含む): 618113826

約数和(自身を除く): 227669944

約数列:

[1, 2, 19, 38, 361, 722, 540781, 1081562, 10274839, 20549678, 195221941, 390443882]

約数ペア:

[(1, 390443882), (2, 195221941), (19, 20549678), (38, 10274839), (361, 1081562), (722, 540781)]