18000990

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{28573}}^1$

素因数の和:28593

約数の個数: 48

約数和(自身を含む): 53490528

約数和(自身を除く): 35489538

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 28573, 57146, 85719, 142865, 171438, 200011, 257157, 285730, 400022, 428595, 514314, 600033, 857190, 1000055, 1200066, 1285785, 1800099, 2000110, 2571570, 3000165, 3600198, 6000330, 9000495, 18000990]

約数ペア:

[(1, 18000990), (2, 9000495), (3, 6000330), (5, 3600198), (6, 3000165), (7, 2571570), (9, 2000110), (10, 1800099), (14, 1285785), (15, 1200066), (18, 1000055), (21, 857190), (30, 600033), (35, 514314), (42, 428595), (45, 400022), (63, 285730), (70, 257157), (90, 200011), (105, 171438), (126, 142865), (210, 85719), (315, 57146), (630, 28573)]