18984936

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{163}}^1\times {\mathrm{211}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 50065920

約数和(自身を除く): 31080984

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 163, 184, 211, 276, 326, 422, 489, 552, 633, 652, 844, 978, 1266, 1304, 1688, 1956, 2532, 3749, 3912, 4853, 5064, 7498, 9706, 11247, 14559, 14996, 19412, 22494, 29118, 29992, 34393, 38824, 44988, 58236, 68786, 89976, 103179, 116472, 137572, 206358, 275144, 412716, 791039, 825432, 1582078, 2373117, 3164156, 4746234, 6328312, 9492468, 18984936]

約数ペア:

[(1, 18984936), (2, 9492468), (3, 6328312), (4, 4746234), (6, 3164156), (8, 2373117), (12, 1582078), (23, 825432), (24, 791039), (46, 412716), (69, 275144), (92, 206358), (138, 137572), (163, 116472), (184, 103179), (211, 89976), (276, 68786), (326, 58236), (422, 44988), (489, 38824), (552, 34393), (633, 29992), (652, 29118), (844, 22494), (978, 19412), (1266, 14996), (1304, 14559), (1688, 11247), (1956, 9706), (2532, 7498), (3749, 5064), (3912, 4853)]