18666216

素因数分解:

$2^3\times 3^2\times {\mathrm{31}}^1\times {\mathrm{8363}}^1$

素因数の和:8406

約数の個数: 48

約数和(自身を含む): 52191360

約数和(自身を除く): 33525144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 31, 36, 62, 72, 93, 124, 186, 248, 279, 372, 558, 744, 1116, 2232, 8363, 16726, 25089, 33452, 50178, 66904, 75267, 100356, 150534, 200712, 259253, 301068, 518506, 602136, 777759, 1037012, 1555518, 2074024, 2333277, 3111036, 4666554, 6222072, 9333108, 18666216]

約数ペア:

[(1, 18666216), (2, 9333108), (3, 6222072), (4, 4666554), (6, 3111036), (8, 2333277), (9, 2074024), (12, 1555518), (18, 1037012), (24, 777759), (31, 602136), (36, 518506), (62, 301068), (72, 259253), (93, 200712), (124, 150534), (186, 100356), (248, 75267), (279, 66904), (372, 50178), (558, 33452), (744, 25089), (1116, 16726), (2232, 8363)]