19841820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330697}}^1$

素因数の和:330709

約数の個数: 24

約数和(自身を含む): 55557264

約数和(自身を除く): 35715444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330697, 661394, 992091, 1322788, 1653485, 1984182, 3306970, 3968364, 4960455, 6613940, 9920910, 19841820]

約数ペア:

[(1, 19841820), (2, 9920910), (3, 6613940), (4, 4960455), (5, 3968364), (6, 3306970), (10, 1984182), (12, 1653485), (15, 1322788), (20, 992091), (30, 661394), (60, 330697)]