18420378

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{133481}}^1$

素因数の和:133509

約数の個数: 16

約数和(自身を含む): 38442816

約数和(自身を除く): 20022438

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 133481, 266962, 400443, 800886, 3070063, 6140126, 9210189, 18420378]

約数ペア:

[(1, 18420378), (2, 9210189), (3, 6140126), (6, 3070063), (23, 800886), (46, 400443), (69, 266962), (138, 133481)]