18898848

素因数分解:

$2^5\times 3^2\times {\mathrm{211}}^1\times {\mathrm{311}}^1$

素因数の和:538

約数の個数: 72

約数和(自身を含む): 54171936

約数和(自身を除く): 35273088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 211, 288, 311, 422, 622, 633, 844, 933, 1244, 1266, 1688, 1866, 1899, 2488, 2532, 2799, 3376, 3732, 3798, 4976, 5064, 5598, 6752, 7464, 7596, 9952, 10128, 11196, 14928, 15192, 20256, 22392, 29856, 30384, 44784, 60768, 65621, 89568, 131242, 196863, 262484, 393726, 524968, 590589, 787452, 1049936, 1181178, 1574904, 2099872, 2362356, 3149808, 4724712, 6299616, 9449424, 18898848]

約数ペア:

[(1, 18898848), (2, 9449424), (3, 6299616), (4, 4724712), (6, 3149808), (8, 2362356), (9, 2099872), (12, 1574904), (16, 1181178), (18, 1049936), (24, 787452), (32, 590589), (36, 524968), (48, 393726), (72, 262484), (96, 196863), (144, 131242), (211, 89568), (288, 65621), (311, 60768), (422, 44784), (622, 30384), (633, 29856), (844, 22392), (933, 20256), (1244, 15192), (1266, 14928), (1688, 11196), (1866, 10128), (1899, 9952), (2488, 7596), (2532, 7464), (2799, 6752), (3376, 5598), (3732, 5064), (3798, 4976)]