18016212420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{37}}^1\times {\mathrm{2705137}}^1$

素因数の和:2705189

約数の個数: 72

約数和(自身を含む): 56126203224

約数和(自身を除く): 38109990804

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 37, 45, 60, 74, 90, 111, 148, 180, 185, 222, 333, 370, 444, 555, 666, 740, 1110, 1332, 1665, 2220, 3330, 6660, 2705137, 5410274, 8115411, 10820548, 13525685, 16230822, 24346233, 27051370, 32461644, 40577055, 48692466, 54102740, 81154110, 97384932, 100090069, 121731165, 162308220, 200180138, 243462330, 300270207, 400360276, 486924660, 500450345, 600540414, 900810621, 1000900690, 1201080828, 1501351035, 1801621242, 2001801380, 3002702070, 3603242484, 4504053105, 6005404140, 9008106210, 18016212420]

約数ペア:

[(1, 18016212420), (2, 9008106210), (3, 6005404140), (4, 4504053105), (5, 3603242484), (6, 3002702070), (9, 2001801380), (10, 1801621242), (12, 1501351035), (15, 1201080828), (18, 1000900690), (20, 900810621), (30, 600540414), (36, 500450345), (37, 486924660), (45, 400360276), (60, 300270207), (74, 243462330), (90, 200180138), (111, 162308220), (148, 121731165), (180, 100090069), (185, 97384932), (222, 81154110), (333, 54102740), (370, 48692466), (444, 40577055), (555, 32461644), (666, 27051370), (740, 24346233), (1110, 16230822), (1332, 13525685), (1665, 10820548), (2220, 8115411), (3330, 5410274), (6660, 2705137)]