19067090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{647}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 39377664

約数和(自身を除く): 20310574

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 421, 647, 842, 1294, 2105, 2947, 3235, 4210, 4529, 5894, 6470, 9058, 14735, 22645, 29470, 45290, 272387, 544774, 1361935, 1906709, 2723870, 3813418, 9533545, 19067090]

約数ペア:

[(1, 19067090), (2, 9533545), (5, 3813418), (7, 2723870), (10, 1906709), (14, 1361935), (35, 544774), (70, 272387), (421, 45290), (647, 29470), (842, 22645), (1294, 14735), (2105, 9058), (2947, 6470), (3235, 5894), (4210, 4529)]