19380015

素因数分解:

$3^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1787}}^1$

素因数の和:2039

約数の個数: 24

約数和(自身を含む): 33750288

約数和(自身を除く): 14370273

約数列:

[1, 3, 5, 9, 15, 45, 241, 723, 1205, 1787, 2169, 3615, 5361, 8935, 10845, 16083, 26805, 80415, 430667, 1292001, 2153335, 3876003, 6460005, 19380015]

約数ペア:

[(1, 19380015), (3, 6460005), (5, 3876003), (9, 2153335), (15, 1292001), (45, 430667), (241, 80415), (723, 26805), (1205, 16083), (1787, 10845), (2169, 8935), (3615, 5361)]