19220445

素因数分解:

$3^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{991}}^1$

素因数の和:1433

約数の個数: 24

約数和(自身を含む): 33426432

約数和(自身を除く): 14205987

約数列:

[1, 3, 5, 9, 15, 45, 431, 991, 1293, 2155, 2973, 3879, 4955, 6465, 8919, 14865, 19395, 44595, 427121, 1281363, 2135605, 3844089, 6406815, 19220445]

約数ペア:

[(1, 19220445), (3, 6406815), (5, 3844089), (9, 2135605), (15, 1281363), (45, 427121), (431, 44595), (991, 19395), (1293, 14865), (2155, 8919), (2973, 6465), (3879, 4955)]