19988346

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{6703}}^1$

素因数の和:6786

約数の個数: 32

約数和(自身を含む): 46338048

約数和(自身を除く): 26349702

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 142, 213, 426, 497, 994, 1491, 2982, 6703, 13406, 20109, 40218, 46921, 93842, 140763, 281526, 475913, 951826, 1427739, 2855478, 3331391, 6662782, 9994173, 19988346]

約数ペア:

[(1, 19988346), (2, 9994173), (3, 6662782), (6, 3331391), (7, 2855478), (14, 1427739), (21, 951826), (42, 475913), (71, 281526), (142, 140763), (213, 93842), (426, 46921), (497, 40218), (994, 20109), (1491, 13406), (2982, 6703)]