18666504

素因数分解:

$2^3\times 3^3\times {\mathrm{89}}^1\times {\mathrm{971}}^1$

素因数の和:1075

約数の個数: 64

約数和(自身を含む): 52488000

約数和(自身を除く): 33821496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 89, 108, 178, 216, 267, 356, 534, 712, 801, 971, 1068, 1602, 1942, 2136, 2403, 2913, 3204, 3884, 4806, 5826, 6408, 7768, 8739, 9612, 11652, 17478, 19224, 23304, 26217, 34956, 52434, 69912, 86419, 104868, 172838, 209736, 259257, 345676, 518514, 691352, 777771, 1037028, 1555542, 2074056, 2333313, 3111084, 4666626, 6222168, 9333252, 18666504]

約数ペア:

[(1, 18666504), (2, 9333252), (3, 6222168), (4, 4666626), (6, 3111084), (8, 2333313), (9, 2074056), (12, 1555542), (18, 1037028), (24, 777771), (27, 691352), (36, 518514), (54, 345676), (72, 259257), (89, 209736), (108, 172838), (178, 104868), (216, 86419), (267, 69912), (356, 52434), (534, 34956), (712, 26217), (801, 23304), (971, 19224), (1068, 17478), (1602, 11652), (1942, 9612), (2136, 8739), (2403, 7768), (2913, 6408), (3204, 5826), (3884, 4806)]