18969848

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{787}}^1$

素因数の和:947

約数の個数: 32

約数和(自身を含む): 37445760

約数和(自身を除く): 18475912

約数列:

[1, 2, 4, 8, 23, 46, 92, 131, 184, 262, 524, 787, 1048, 1574, 3013, 3148, 6026, 6296, 12052, 18101, 24104, 36202, 72404, 103097, 144808, 206194, 412388, 824776, 2371231, 4742462, 9484924, 18969848]

約数ペア:

[(1, 18969848), (2, 9484924), (4, 4742462), (8, 2371231), (23, 824776), (46, 412388), (92, 206194), (131, 144808), (184, 103097), (262, 72404), (524, 36202), (787, 24104), (1048, 18101), (1574, 12052), (3013, 6296), (3148, 6026)]