19668855

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19571}}^1$

素因数の和:19646

約数の個数: 16

約数和(自身を含む): 31941504

約数和(自身を除く): 12272649

約数列:

[1, 3, 5, 15, 67, 201, 335, 1005, 19571, 58713, 97855, 293565, 1311257, 3933771, 6556285, 19668855]

約数ペア:

[(1, 19668855), (3, 6556285), (5, 3933771), (15, 1311257), (67, 293565), (201, 97855), (335, 58713), (1005, 19571)]