18902373

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4973}}^1$

素因数の和:5164

約数の個数: 16

約数和(自身を含む): 28968576

約数和(自身を除く): 10066203

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4973, 14919, 34811, 104433, 900113, 2700339, 6300791, 18902373]

約数ペア:

[(1, 18902373), (3, 6300791), (7, 2700339), (21, 900113), (181, 104433), (543, 34811), (1267, 14919), (3801, 4973)]