17987434

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{727}}^1$

素因数の和:957

約数の個数: 16

約数和(自身を含む): 27518400

約数和(自身を除く): 9530966

約数列:

[1, 2, 89, 139, 178, 278, 727, 1454, 12371, 24742, 64703, 101053, 129406, 202106, 8993717, 17987434]

約数ペア:

[(1, 17987434), (2, 8993717), (89, 202106), (139, 129406), (178, 101053), (278, 64703), (727, 24742), (1454, 12371)]