11911960

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1543}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 26958240

約数和(自身を除く): 15046280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1543, 1544, 1930, 3086, 3860, 6172, 7715, 7720, 12344, 15430, 30860, 61720, 297799, 595598, 1191196, 1488995, 2382392, 2977990, 5955980, 11911960]

約数ペア:

[(1, 11911960), (2, 5955980), (4, 2977990), (5, 2382392), (8, 1488995), (10, 1191196), (20, 595598), (40, 297799), (193, 61720), (386, 30860), (772, 15430), (965, 12344), (1543, 7720), (1544, 7715), (1930, 6172), (3086, 3860)]