17990462

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{55871}}^1$

素因数の和:55903

約数の個数: 16

約数和(自身を含む): 32182272

約数和(自身を除く): 14191810

約数列:

[1, 2, 7, 14, 23, 46, 161, 322, 55871, 111742, 391097, 782194, 1285033, 2570066, 8995231, 17990462]

約数ペア:

[(1, 17990462), (2, 8995231), (7, 2570066), (14, 1285033), (23, 782194), (46, 391097), (161, 111742), (322, 55871)]