18422770

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{463}}^1$

素因数の和:666

約数の個数: 32

約数和(自身を含む): 34877952

約数和(自身を除く): 16455182

約数列:

[1, 2, 5, 10, 23, 46, 115, 173, 230, 346, 463, 865, 926, 1730, 2315, 3979, 4630, 7958, 10649, 19895, 21298, 39790, 53245, 80099, 106490, 160198, 400495, 800990, 1842277, 3684554, 9211385, 18422770]

約数ペア:

[(1, 18422770), (2, 9211385), (5, 3684554), (10, 1842277), (23, 800990), (46, 400495), (115, 160198), (173, 106490), (230, 80099), (346, 53245), (463, 39790), (865, 21298), (926, 19895), (1730, 10649), (2315, 7958), (3979, 4630)]