18563356

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{1787}}^1$

素因数の和:1858

約数の個数: 36

約数和(自身を含む): 38524248

約数和(自身を除く): 19960892

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 1787, 2597, 3574, 5194, 7148, 10388, 12509, 25018, 50036, 87563, 94711, 175126, 189422, 350252, 378844, 662977, 1325954, 2651908, 4640839, 9281678, 18563356]

約数ペア:

[(1, 18563356), (2, 9281678), (4, 4640839), (7, 2651908), (14, 1325954), (28, 662977), (49, 378844), (53, 350252), (98, 189422), (106, 175126), (196, 94711), (212, 87563), (371, 50036), (742, 25018), (1484, 12509), (1787, 10388), (2597, 7148), (3574, 5194)]