18230950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:309

約数の個数: 48

約数和(自身を含む): 35997696

約数和(自身を除く): 17766746

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 83, 115, 166, 191, 230, 382, 415, 575, 830, 955, 1150, 1909, 1910, 2075, 3818, 4150, 4393, 4775, 8786, 9545, 9550, 15853, 19090, 21965, 31706, 43930, 47725, 79265, 95450, 109825, 158530, 219650, 364619, 396325, 729238, 792650, 1823095, 3646190, 9115475, 18230950]

約数ペア:

[(1, 18230950), (2, 9115475), (5, 3646190), (10, 1823095), (23, 792650), (25, 729238), (46, 396325), (50, 364619), (83, 219650), (115, 158530), (166, 109825), (191, 95450), (230, 79265), (382, 47725), (415, 43930), (575, 31706), (830, 21965), (955, 19090), (1150, 15853), (1909, 9550), (1910, 9545), (2075, 8786), (3818, 4775), (4150, 4393)]