19255990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{148123}}^1$

素因数の和:148143

約数の個数: 16

約数和(自身を含む): 37327248

約数和(自身を除く): 18071258

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 148123, 296246, 740615, 1481230, 1925599, 3851198, 9627995, 19255990]

約数ペア:

[(1, 19255990), (2, 9627995), (5, 3851198), (10, 1925599), (13, 1481230), (26, 740615), (65, 296246), (130, 148123)]