20181528

素因数分解:

$2^3\times 3^3\times {\mathrm{233}}^1\times {\mathrm{401}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 56440800

約数和(自身を除く): 36259272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 233, 401, 466, 699, 802, 932, 1203, 1398, 1604, 1864, 2097, 2406, 2796, 3208, 3609, 4194, 4812, 5592, 6291, 7218, 8388, 9624, 10827, 12582, 14436, 16776, 21654, 25164, 28872, 43308, 50328, 86616, 93433, 186866, 280299, 373732, 560598, 747464, 840897, 1121196, 1681794, 2242392, 2522691, 3363588, 5045382, 6727176, 10090764, 20181528]

約数ペア:

[(1, 20181528), (2, 10090764), (3, 6727176), (4, 5045382), (6, 3363588), (8, 2522691), (9, 2242392), (12, 1681794), (18, 1121196), (24, 840897), (27, 747464), (36, 560598), (54, 373732), (72, 280299), (108, 186866), (216, 93433), (233, 86616), (401, 50328), (466, 43308), (699, 28872), (802, 25164), (932, 21654), (1203, 16776), (1398, 14436), (1604, 12582), (1864, 10827), (2097, 9624), (2406, 8388), (2796, 7218), (3208, 6291), (3609, 5592), (4194, 4812)]