18760120

素因数分解:

$2^3\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2711}}^1$

素因数の和:2895

約数の個数: 32

約数和(自身を含む): 42469920

約数和(自身を除く): 23709800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 173, 346, 692, 865, 1384, 1730, 2711, 3460, 5422, 6920, 10844, 13555, 21688, 27110, 54220, 108440, 469003, 938006, 1876012, 2345015, 3752024, 4690030, 9380060, 18760120]

約数ペア:

[(1, 18760120), (2, 9380060), (4, 4690030), (5, 3752024), (8, 2345015), (10, 1876012), (20, 938006), (40, 469003), (173, 108440), (346, 54220), (692, 27110), (865, 21688), (1384, 13555), (1730, 10844), (2711, 6920), (3460, 5422)]