20181618504

素因数分解:

$2^3\times 3^7\times {\mathrm{311}}^1\times {\mathrm{3709}}^1$

素因数の和:4047

約数の個数: 128

約数和(自身を含む): 56949984000

約数和(自身を除く): 36768365496

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 243, 311, 324, 486, 622, 648, 729, 933, 972, 1244, 1458, 1866, 1944, 2187, 2488, 2799, 2916, 3709, 3732, 4374, 5598, 5832, 7418, 7464, 8397, 8748, 11127, 11196, 14836, 16794, 17496, 22254, 22392, 25191, 29672, 33381, 33588, 44508, 50382, 66762, 67176, 75573, 89016, 100143, 100764, 133524, 151146, 200286, 201528, 226719, 267048, 300429, 302292, 400572, 453438, 600858, 604584, 680157, 801144, 901287, 906876, 1153499, 1201716, 1360314, 1802574, 1813752, 2306998, 2403432, 2703861, 2720628, 3460497, 3605148, 4613996, 5407722, 5441256, 6920994, 7210296, 8111583, 9227992, 10381491, 10815444, 13841988, 16223166, 20762982, 21630888, 27683976, 31144473, 32446332, 41525964, 62288946, 64892664, 83051928, 93433419, 124577892, 186866838, 249155784, 280300257, 373733676, 560600514, 747467352, 840900771, 1121201028, 1681801542, 2242402056, 2522702313, 3363603084, 5045404626, 6727206168, 10090809252, 20181618504]

約数ペア:

[(1, 20181618504), (2, 10090809252), (3, 6727206168), (4, 5045404626), (6, 3363603084), (8, 2522702313), (9, 2242402056), (12, 1681801542), (18, 1121201028), (24, 840900771), (27, 747467352), (36, 560600514), (54, 373733676), (72, 280300257), (81, 249155784), (108, 186866838), (162, 124577892), (216, 93433419), (243, 83051928), (311, 64892664), (324, 62288946), (486, 41525964), (622, 32446332), (648, 31144473), (729, 27683976), (933, 21630888), (972, 20762982), (1244, 16223166), (1458, 13841988), (1866, 10815444), (1944, 10381491), (2187, 9227992), (2488, 8111583), (2799, 7210296), (2916, 6920994), (3709, 5441256), (3732, 5407722), (4374, 4613996), (5598, 3605148), (5832, 3460497), (7418, 2720628), (7464, 2703861), (8397, 2403432), (8748, 2306998), (11127, 1813752), (11196, 1802574), (14836, 1360314), (16794, 1201716), (17496, 1153499), (22254, 906876), (22392, 901287), (25191, 801144), (29672, 680157), (33381, 604584), (33588, 600858), (44508, 453438), (50382, 400572), (66762, 302292), (67176, 300429), (75573, 267048), (89016, 226719), (100143, 201528), (100764, 200286), (133524, 151146)]