19539540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{108553}}^1$

素因数の和:108568

約数の個数: 36

約数和(自身を含む): 59270484

約数和(自身を除く): 39730944

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 108553, 217106, 325659, 434212, 542765, 651318, 976977, 1085530, 1302636, 1628295, 1953954, 2171060, 3256590, 3907908, 4884885, 6513180, 9769770, 19539540]

約数ペア:

[(1, 19539540), (2, 9769770), (3, 6513180), (4, 4884885), (5, 3907908), (6, 3256590), (9, 2171060), (10, 1953954), (12, 1628295), (15, 1302636), (18, 1085530), (20, 976977), (30, 651318), (36, 542765), (45, 434212), (60, 325659), (90, 217106), (180, 108553)]