18656988

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{222107}}^1$

素因数の和:222121

約数の個数: 24

約数和(自身を含む): 49752192

約数和(自身を除く): 31095204

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 222107, 444214, 666321, 888428, 1332642, 1554749, 2665284, 3109498, 4664247, 6218996, 9328494, 18656988]

約数ペア:

[(1, 18656988), (2, 9328494), (3, 6218996), (4, 4664247), (6, 3109498), (7, 2665284), (12, 1554749), (14, 1332642), (21, 888428), (28, 666321), (42, 444214), (84, 222107)]