18078420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{367}}^1\times {\mathrm{821}}^1$

素因数の和:1200

約数の個数: 48

約数和(自身を含む): 50819328

約数和(自身を除く): 32740908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 367, 734, 821, 1101, 1468, 1642, 1835, 2202, 2463, 3284, 3670, 4105, 4404, 4926, 5505, 7340, 8210, 9852, 11010, 12315, 16420, 22020, 24630, 49260, 301307, 602614, 903921, 1205228, 1506535, 1807842, 3013070, 3615684, 4519605, 6026140, 9039210, 18078420]

約数ペア:

[(1, 18078420), (2, 9039210), (3, 6026140), (4, 4519605), (5, 3615684), (6, 3013070), (10, 1807842), (12, 1506535), (15, 1205228), (20, 903921), (30, 602614), (60, 301307), (367, 49260), (734, 24630), (821, 22020), (1101, 16420), (1468, 12315), (1642, 11010), (1835, 9852), (2202, 8210), (2463, 7340), (3284, 5505), (3670, 4926), (4105, 4404)]