19810368

素因数分解:

$2^6\times 3^2\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:392

約数の個数: 84

約数和(自身を含む): 57401968

約数和(自身を除く): 37591600

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 163, 192, 211, 288, 326, 422, 489, 576, 633, 652, 844, 978, 1266, 1304, 1467, 1688, 1899, 1956, 2532, 2608, 2934, 3376, 3798, 3912, 5064, 5216, 5868, 6752, 7596, 7824, 10128, 10432, 11736, 13504, 15192, 15648, 20256, 23472, 30384, 31296, 34393, 40512, 46944, 60768, 68786, 93888, 103179, 121536, 137572, 206358, 275144, 309537, 412716, 550288, 619074, 825432, 1100576, 1238148, 1650864, 2201152, 2476296, 3301728, 4952592, 6603456, 9905184, 19810368]

約数ペア:

[(1, 19810368), (2, 9905184), (3, 6603456), (4, 4952592), (6, 3301728), (8, 2476296), (9, 2201152), (12, 1650864), (16, 1238148), (18, 1100576), (24, 825432), (32, 619074), (36, 550288), (48, 412716), (64, 309537), (72, 275144), (96, 206358), (144, 137572), (163, 121536), (192, 103179), (211, 93888), (288, 68786), (326, 60768), (422, 46944), (489, 40512), (576, 34393), (633, 31296), (652, 30384), (844, 23472), (978, 20256), (1266, 15648), (1304, 15192), (1467, 13504), (1688, 11736), (1899, 10432), (1956, 10128), (2532, 7824), (2608, 7596), (2934, 6752), (3376, 5868), (3798, 5216), (3912, 5064)]