18960753

素因数分解:

$3^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1733}}^1$

素因数の和:2264

約数の個数: 16

約数和(自身を含む): 28964736

約数和(自身を除く): 10003983

約数列:

[1, 3, 7, 21, 521, 1563, 1733, 3647, 5199, 10941, 12131, 36393, 902893, 2708679, 6320251, 18960753]

約数ペア:

[(1, 18960753), (3, 6320251), (7, 2708679), (21, 902893), (521, 36393), (1563, 12131), (1733, 10941), (3647, 5199)]