31839820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3643}}^1$

素因数の和:3694

約数の個数: 48

約数和(自身を含む): 73463040

約数和(自身を除く): 41623220

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 190, 230, 380, 437, 460, 874, 1748, 2185, 3643, 4370, 7286, 8740, 14572, 18215, 36430, 69217, 72860, 83789, 138434, 167578, 276868, 335156, 346085, 418945, 692170, 837890, 1384340, 1591991, 1675780, 3183982, 6367964, 7959955, 15919910, 31839820]

約数ペア:

[(1, 31839820), (2, 15919910), (4, 7959955), (5, 6367964), (10, 3183982), (19, 1675780), (20, 1591991), (23, 1384340), (38, 837890), (46, 692170), (76, 418945), (92, 346085), (95, 335156), (115, 276868), (190, 167578), (230, 138434), (380, 83789), (437, 72860), (460, 69217), (874, 36430), (1748, 18215), (2185, 14572), (3643, 8740), (4370, 7286)]