16219890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{180221}}^1$

素因数の和:180234

約数の個数: 24

約数和(自身を含む): 42171948

約数和(自身を除く): 25952058

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 180221, 360442, 540663, 901105, 1081326, 1621989, 1802210, 2703315, 3243978, 5406630, 8109945, 16219890]

約数ペア:

[(1, 16219890), (2, 8109945), (3, 5406630), (5, 3243978), (6, 2703315), (9, 1802210), (10, 1621989), (15, 1081326), (18, 901105), (30, 540663), (45, 360442), (90, 180221)]